Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 14 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:astro-ph/9906493.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-11T13:52:14.582696Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-04T14:19:54.491933Z
0 of 0 outbound references displayed
External citation measurements
No source-named external measurement is stored.
No outbound reference observations are available for this paper version.
Observation 64349a9a-7140-46f1-b4e3-498410dd7b23 · inbound
Can quasars, triggered by mergers, account for NANOGrav's stochastic gravitational wave background? A Unified Model for the Evolution of Galaxies and Quasars
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 592b4b3f-6b11-4cc8-a5de-c8ef2bc9d3c8 · inbound
Evolution of SMBHs in light of PTA measurements: implications for growth by mergers and accretion A Unified Model for the Evolution of Galaxies and Quasars
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9f96e528-8b25-4518-aa50-0d37436050a8 · inbound
Non-Equilibrium Relativistic Core Collapse of Self-Interacting Dark Matter Halos -- Limits On Seed Black Hole Mass A Unified Model for the Evolution of Galaxies and Quasars
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation b2215c98-427d-4ffe-a48b-4323dc83b676 · inbound
Clustering of high-redshift quasars with DESI DR2 A Unified Model for the Evolution of Galaxies and Quasars
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.