Confrontation of Cosmological Theories with Observational Data
Highlights of Astronomy As Presented at the XVth General Assembly [Sydney] and the Extraordinary General Assembly [Poland] of the IAU 1973
The Moon
Developments in Astrometry and Their Impact on Astrophysics and Geodynamics (International Astronomical Union Symposia)
Astrometric Techniques: Proceedings of the 109th Symposium of the International Astronomical Union Held in Gainesville, Florida, U.S.A., 9–12 January 1984 (International Astronomical Union Symposia)
Transactions of the International Astronomical Union Proceedings of the Fifteenth General Assembly Sydney 1973 and Extraordinary General Assembly Poland 1973
Unstable Current Systems and Plasma Instabilities in Astrophysics: Proceedings of the 107th Symposium of the International Astronomical Union Held in ... Astronomical Union Symposia, 107)
Calibration of Fundamental Stellar Quantities Proceedings of the 111th Symposium of the International Astronomical Union held at Villa Olmo, Como, Italy, May 24–29, 1984
Non-Solar X- and Gamma-Ray Astronomy
Astronomy from Wide-Field Imaging Proceedings of the 161st Symposium of the International Astronomical Union, Held in Potsdam, Germany, August 23-27, 1993