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Coppin, K.S. Scott, L. Dunne, L. Leeuw, M. Baes, M. Gu\\'elin, M. Jarvis, M. Krips, M. Lehnert, M. Micha lowski, M. Negrello, M. Pohlen, M. Vaccari, N. Fiolet, P. Cox, P. Temi, P. van der Werf, R. Auld, R. Gavazzi, R. Ivison, R. Lupu, R. Neri, S.A. Eales, S. Dye, S. Maddox","submitted_at":"2011-07-25T15:32:57Z","abstract_excerpt":"The Herschel survey, H-ATLAS, with its large areal coverage, has recently discovered a number of bright, strongly lensed high-z submillimeter galaxies. The strong magnification makes it possible to study molecular species other than CO, which are otherwise difficult to observe in high-z galaxies. Among the lensed galaxies already identified by H-ATLAS, the source J090302.9-014127B (SDP.17b) at z = 2.305 is remarkable due to its excitation conditions and a tentative detection of the H2O 202-111 emission line (Lupu et al. 2010). 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