Photographic Catalogue of 200000 Southern Stars - Focat-S Bystrov, N. F. ; Polojentsev, D. D. ; Potter, H. I. ; Yagudin, L. I. ; Zalles, R. F. ; Zelaya, J. A. Abstract Publication: IAU Colloq. 127: Reference Systems Pub Date: 1991 Bibcode: 1991resy.coll..216B