CH3OH and H2O masers in high-mass star-forming regions H. Beuther, A. Walsh, P. Schilke, T. K. Sridharan, K. M. Menten and F. Wyrowski A&A, 390 1 (2002) 289-298 Published online: 05 July 2002 DOI: 10.1051/0004-6361:20020710