Inertial coordinate system on the sky: proceedings of the 141th Symposium of the International Astronomical Union, held in Leningrad, U. S. S. R, October 17 - 21, 1989 - Lieske, Jay H.; Abalakin, Viktor Kuzʹmič (Proceedings of the ... symposium of the International Astronomical Union, 1990)
At head of title: International Astronomical Union=Union astronomique internationale
Keywords: Konferenzschrift -- 1989 -- Sankt Petersburg; Konferenzschrift; Sonnensystem; Inertialsystem; Koordinaten; Astronomie