Long-term study of water masers associated with Young Stellar Objects - II. Analysis J. Brand, R. Cesaroni, G. Comoretto, M. Felli, F. Palagi, F. Palla and R. Valdettaro A&A, 407 2 (2003) 573-587 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20030875