Associations of H2O and CH3OH masers at milli-arcsec angular resolution in two high-mass YSOsC. Goddi, L. Moscadelli, A. Sanna, R. Cesaroni and V. MinierA&A, 461 3 (2007) 1027-1035DOI: https://doi.org/10.1051/0004-6361:20066136