The SRS Catalog of 20488 Star Positions - Culmination of an International Cooperative Effort Smith, C. A. ; Corbin, T. E. ; Hughes, J. A. ; Jackson, E. S. ; Khrutskaya, E. V. ; Polozhentsev, A. D. ; Polozhentsev, D. D. ; Yagudin, L. I. ; Zverev, M. S. Abstract Publication: Inertial Coordinate System on the Sky Pub Date: 1990 Bibcode: 1990IAUS..141..457S