New Problems in Astrometry
Physics of the Expanding Universe: Cracow School on Cosmology, Jodowy Dwor, September 1978 Poland (Lecture Notes in Physics)
Observational Cosmology Proceedings of the 124th Symposium of the International Astronomical Union, Held in Beijing, China, August 25–30, 1986
Late Stages of Stellar Evolution
Highlights of Astronomy As Presented at the XVth General Assembly [Sydney] and the Extraordinary General Assembly [Poland] of the IAU 1973
Modern Theoretical and Observational Cosmology Proceedings of the 2nd Hellenic Cosmology Meeting, held in the National Observatory of Athens , Penteli, 19–20 April 2001
Problems of Stellar Convection: Proceedings of the Colloquium No. 38 of the International Astronomical Union Held in Nice, August 16-20, 1976 (Lecture Notes in Physics)
Dynamics of Satellites: COSPAR-IAU-IAG / IUGG-IUTAM Proceedings of a Symposium held in Prague, May 20-24, 1969 (IUTAM Symposia)
Early Evolution of the Universe and its Present Structure (International Astronomical Union Symposia, 104)
Reference Coordinate Systems for Earth Dynamics Proceedings of the 56th Colloquium of the International Astronomical Union Held in Warsaw, Poland, September 8–12, 1980