Proceedings of a Workshop Organized at the Institute for Theoretical Physics of the Technical University, Vienna, Austria September 19–23, 1989

Proceedings of an International Workshop Held in Crystal City, Virginia, USA, on 8 and 9 January 1990

Proceedings of the No. 117 Colloquium of the International Astronomical Union, Hvar, SR Croatia, Yugoslavia 1989

Proceedings of a Workshop Held at Göttingen, FRG on 20 and 21 February 1990

Proceedings of the Workshop Frontiers in Stellar Structure Theory, Held in Honor of Professor Evry Schatzman in Les Houches, France, June 19–25, 1989

Proceedings of the Oji International Seminar Held at Hakone, Japan, 11–14 December 1989

Proceedings of the XIth Sitges Conference Sitges, Barcelona, Spain, 3–7 June 1990

Proceedings of Colloquium No. 122 of the International Astronomical Union. Held in Madrid, Spain, on 27–30 June 1989

Proceedings of the 8th International Workshop on Mathematical Physics, Held at the Arnold Sommerfeld Institute, Clausthal, FRG, on 19–26 July 1989