The Results of Positional Photographic Observations of PHOBOS Made in Cuba in 1988OCT Nikonov, O. V. ; Zhilinsky, E. G. ; Bobylev, V. V. ; Nikonova, E. S. Abstract Publication: Astronomicheskij Tsirkulyar Pub Date: December 1989 Bibcode: 1989ATsir1541...33N