Water cooling of shocks in protostellar outflows - Herschel-PACS map of L1157 B. Nisini, M. Benedettini, C. Codella, T. Giannini, R. Liseau, D. Neufeld, M. Tafalla, E. F. van Dishoeck, R. Bachiller, A. Baudry et al. (55 more) A&A, 518 (2010) L120 Published online: 16 July 2010 DOI: 10.1051/0004-6361/201014603