86 GHz SiO maser survey of late-type stars in the Inner Galaxy - I. Observational data M. Messineo, H. J. Habing, L. O. Sjouwerman, A. Omont and K. M. Menten A&A, 393 1 (2002) 115-128 Published online: 18 September 2002 DOI: 10.1051/0004-6361:20021017