The kinematics of water masers in the stellar molecular outflow source, IRAS 19134+2131 H. Imai, M. Morris, R. Sahai, K. Hachisuka and J. R. Azzollini F. A&A, 420 1 (2004) 265-271 Published online: 14 May 2004 DOI: 10.1051/0004-6361:20035664