A new sample of OH/IR stars in the Galactic center L. O. Sjouwerman, H. J. van Langevelde, A. Winnberg and H. J. Habing Astron. Astrophys. Suppl. Ser., 128 1 (1998) 35-65 Published online: 15 February 1998 DOI: 10.1051/aas:1998127