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Paper Citation Record · LEDGER

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation

As of 17 August 2026, this Paper Citation Record lists 36 of 36 outbound references and 0 inbound Pith citation observations for arXiv:2508.12024.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2508.12024 v1

Coverage vector

measured 36 of 36 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-15T17:26:59.032222Z

measured 36 of 36 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-17T06:30:58.91139+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

36 of 36 outbound references displayed

  • verified exact0
  • verified fuzzy24
  • unresolved12
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 191ea14a-9f9a-4f91-a228-fab3bd31c62d · outbound

This paper cites Zafari, A.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Zafari, A

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.608378Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.857488Z digest=sha256:d8fd79e2b00cb66c701a147a3da6f0e951685022d12c2fd4af8e4bb97f9cd180

Observation 85a8b0fb-cdf3-4c7a-922a-2c7351f82757 · outbound

This paper cites Girolami, F.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Girolami, F

Reference 2

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.593877Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.866695Z digest=sha256:a0726c822814f06c6be8c51e6e0039d0eb06d1deda2d0f9666e7f91a6c1c7d5f

Observation 1933e690-2a09-473e-b0ed-86b858579f9c · outbound

This paper cites Fischer, J.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Fischer, J

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.579139Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.871828Z digest=sha256:eed46e42e80dace19e9daa813721dda51267f11d1ef024f2980631d25ca98871

Observation 903286d5-38c1-47a8-9ed4-2c9c5b3c7418 · outbound

This paper cites a ring, F. H \.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation a ring, F. H \

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.564481Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.876489Z digest=sha256:8fcbcee1b9c8abc7e1505abd07ab5e880f86ed16d34acd2e7effea7de545a91a

Observation 85539324-8f96-4ad0-af02-f3eeba09e456 · outbound

This paper cites Gburrek, J.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Gburrek, J

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.549123Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.881330Z digest=sha256:9f9f41d25fd1eece9ed12dbb8539b05940de40808faac0b664a4ee1a6e7fa8ae

Observation 2a6b5e5d-a864-4768-a03c-3961e9fdaf44 · outbound

This paper cites Shames, A.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Shames, A

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.534065Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.886233Z digest=sha256:418b7f18698a959a67cccef28d58693179df6e479416c7102e2c7e23a0f2044e

Observation 417cdd7a-69e8-4731-8892-f2b8a85f586e · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 7

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.518463Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.891683Z digest=sha256:d1f96d9022411e5e73e2d41adee4fac1c0c850134eaaf331dcf8c9a28773dfa7

Observation d04f6cce-5627-4585-89d9-c522c62b8705 · outbound

This paper cites Hahmann, E.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Hahmann, E

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.503174Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.896221Z digest=sha256:5c08304d663c12f8156f9d5a4c858ef44dcd5f893270c6084623e0eb85722c1b

Observation 4a5e5dae-88bb-488a-945e-497b483e92fa · outbound

This paper cites Pesavento, M.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Pesavento, M

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.487991Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.901195Z digest=sha256:4e257580ffa622a9074cf356d13bfc0f00e158d21439fb51d3f2de35641ee075

Observation 674ba397-08fe-449d-bb4c-96c6463bd5fd · outbound

This paper cites Aboumahmoud, A.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Aboumahmoud, A

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.473055Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.905908Z digest=sha256:3c88bbbf005157f37b13a2259eea32fedccd8ece2204c5a4a3c97913e2aef1b7

Observation b840bfe5-7073-4d78-a50f-f9470a87d3cc · outbound

This paper cites Gabbrielli, G.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Gabbrielli, G

Reference 11

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.458007Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.910362Z digest=sha256:05ef6210045dda169e2aa553f43831b75ecab0cf2be1d29cc629658afa8effde

Observation 8cf83c2b-ad4f-4ac6-a261-5151d2ab2f21 · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 12

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.443753Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.914993Z digest=sha256:19dc1fee4e03237f05af595d5d36c516688f6c1f4c67571b4d906c4ace5af80d

Observation 0e17f83b-13de-4b8a-b96b-4371eee85b20 · outbound

This paper cites H \"o flinger, R.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation H \"o flinger, R

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.429213Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.919516Z digest=sha256:189f140f018476f23854d5ae12589f836021f4ee21708f48cc241311399df0c0

Observation 1d100980-9a4c-4104-a058-7f684983b9b0 · outbound

This paper cites Gabbrielli, J.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Gabbrielli, J

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.414471Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.924325Z digest=sha256:4bc1dc8666e4a667987cb2a933553ea08728e75d13bd751962b00257d46b7a45

Observation ae603fbb-60db-4cfe-9f09-34cb178b198d · outbound

This paper cites Ogiso, K.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Ogiso, K

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.399387Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.929139Z digest=sha256:35523c26b8a53e523fb183446fd7f20ff09d0e0c1ecd47bd83d95d67cc28476d

Observation 6a0914b3-7df3-419e-b110-9e1c8df55d41 · outbound

This paper cites Saqib and J.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Saqib and J

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.384411Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.934390Z digest=sha256:20224859ce1e7ab53ab5baabda0ef9d1887d8a8a4ce6369d91871343874fd3eb

Observation 463b4acc-1986-48e2-b0b9-6641bab51c3d · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 17

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.369466Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.939647Z digest=sha256:0dfa8d9ca56216c50e7f9435fff9078b9b0077d061c9f4542929b38102fe5fcd

Observation 0c788239-da70-4f10-8b5d-99f98bd592f7 · outbound

This paper cites Simon, S.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Simon, S

Reference 18

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.354722Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.944127Z digest=sha256:bcba0634300d6fad6b4c54c69a4a6d6464d91e99917c84e293f179a57fed3e98

Observation 1f75a493-7659-4e6e-bad0-c924c25e30b9 · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 19

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.340056Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.948565Z digest=sha256:ee40c97635e3ea411cd6c2fa6cca2a7b70f6ebf61500abc80f33b9033ebd16cd

Observation f42c24a4-94c0-4b3f-ae0f-515dd0ce598b · outbound

This paper cites Urena, A.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Urena, A

Reference 20

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.324975Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.952941Z digest=sha256:d738541f053c1f4d3c895bdd2e8e18ddd04ecb9269edac2a1c7ba6394daffd0a

Observation c1f597da-df81-482a-ad86-4c895c075537 · outbound

This paper cites Murano, C.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Murano, C

Reference 21

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.308747Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.959280Z digest=sha256:6349f9427131135f92b114eec72c35edb6aecb6f78fd32af9852abcaaf26abd1

Observation 90938c6a-d303-4786-b9bd-9971ed850081 · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 22

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.291672Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.964626Z digest=sha256:b81c281cd4412fb79d2cf74eba9014e58f1dc5fdefabac7aca2cce60deb55f2e

Observation c4c21fba-b52b-43db-b230-f858787d67a2 · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 23

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.275704Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.969385Z digest=sha256:5dcefd288307c0ad540fbc97ff580a606fe66d5bc7deacb9e62098fb7367cb36

Observation 2c48f02a-df28-46b2-9eb4-1211e3880264 · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 24

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.260873Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.974012Z digest=sha256:346379c2cd332d8aabb98a8958a64af673eaceb0716f2ee3e4acd91cb59bb8c2

Observation f53f3d67-cc88-475f-9782-61b0a79c8960 · outbound

This paper cites Nannuru, P.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Nannuru, P

Reference 25

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.246000Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.979183Z digest=sha256:d5a42cfa1070ee8655480a9b3c96be9c5892943474c000a12b7cc45e4ba1eb94

Observation 0a6fda1e-3fa7-41dd-b61b-afe535fe580c · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 26

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.230675Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.983906Z digest=sha256:85db6fc6794bc2c8f9aa929c5dc2454594ce0e5e26f24dc58bf0566ce8bd1efc

Observation 6e2df291-83a6-4bd3-ac30-9a7ecabbf207 · outbound

This paper cites Pal and P.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Pal and P

Reference 27

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.215120Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.988619Z digest=sha256:2769cf66affb4fbe90e02e6d70903d6ec8aa55010c964b0d6d2379df5a230e4d

Observation fe29ffcd-d622-4cb6-8606-6b28c917a3a5 · outbound

This paper cites Schmidt, ``Multiple emitter location and signal parameter estimation,'' IEEE Transactions on Antennas and Propagation, vol.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Schmidt, ``Multiple emitter location and signal parameter estimation,'' IEEE Transactions on Antennas and Propagation, vol

Reference 28

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.199985Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.993403Z digest=sha256:67b022d1d8974ad8b1ca8dae478cb880c3a40f87c3144a0c820f2310ac6e6977

Observation 3dad3f98-3df3-40d5-85d8-13e08fe48227 · outbound

This paper cites Pal and P.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Pal and P

Reference 29

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.183549Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:58.997959Z digest=sha256:c3a8716bc54a0bdcaa6d491e4e3b7f5724d68d182483e95f2ea4c634118145d2

Observation dfb13483-dc69-4ad7-a006-367dd60620f2 · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 30

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.167064Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:59.002525Z digest=sha256:255f2595293bf329b65dbc0c574372d666fc652144d317ccdf203a150f46751e

Observation 43a1070e-42e6-4c48-8729-a8556b04797b · outbound

This paper cites Beyme and C.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Beyme and C

Reference 31

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.150372Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:59.006948Z digest=sha256:c12e8002c01ec3a6808c724b16bc77afde9e0da0355a30c21e31ff6d98ffed65

Observation 98836831-7779-41b3-a48d-3931eb49b7e3 · outbound

This paper cites Chu, ``Polyphase codes with good periodic correlation properties (corresp.),'' IEEE Transactions on Information Theory, vol.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Chu, ``Polyphase codes with good periodic correlation properties (corresp.),'' IEEE Transactions on Information Theory, vol

Reference 32

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.134820Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:59.011458Z digest=sha256:277381731df14f36f9c656a8d87b91b905422e875eca2b7e50e5cb8919cb1b95

Observation 39e03299-3fca-4379-bdda-46679ac98b5e · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 33

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.119380Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:59.016549Z digest=sha256:baa47a7671c624d81cadb3199587b7920d5669741607ca3f0d45f3fec9e3b85b

Observation 4da31318-3f42-423e-81a5-b9d06673230c · outbound

This paper cites Mathematical Properties of the Zadoff-Chu Sequences.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Mathematical Properties of the Zadoff-Chu Sequences

Reference 34

Resolution
unresolved
no resolver link, observed 2026-08-15T17:26:59.021301Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=arxiv_source observed=2026-08-15T17:26:59.021301Z digest=sha256:64f43acea26a2d55e5a9b7a0a62c9347690e83c6bfd12a5c00d63a7bea0acb50

Observation c07c21d3-dc20-420f-9c7d-3d5d93a288b8 · outbound

This paper cites Kuttruff, Room acoustics, sixth edition ed.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Kuttruff, Room acoustics, sixth edition ed

Reference 35

Resolution
verified fuzzy
raw_fallback, observed 2026-08-15T17:26:59.104078Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:59.027334Z digest=sha256:ddecbcc5f497908a6fabfe780a880dfa07cecb994c9bdedf8b22e9d36c7e1389

Observation 2e67f1a0-6320-4337-a12b-503b5fab258a · outbound

This paper cites an unresolved cited work.

MASSLOC: A Massive Sound Source Localization System based on Direction-of-Arrival Estimation Unresolved cited work

Reference 36

Resolution
unresolved
raw_fallback, observed 2026-08-15T17:26:59.087560Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-17T06:30:58.91139+00:00.

source=arxiv_source observed=2026-08-15T17:26:59.032222Z digest=sha256:0395fea6eeef680c14cb537dc29b149042ad85858425691fd7ed75f87745390a

Pith citing papers

No inbound Pith citation observations are available.