CH3OH and H2O masers in high-mass star-forming regionsH. Beuther, A. Walsh, P. Schilke, T. K. Sridharan, K. M. Menten and F. WyrowskiA&A, 390 1 (2002) 289-298DOI: https://doi.org/10.1051/0004-6361:20020710