Proceedings of the First European Astronomical Meeting Athens, September 4–9, 1972: Volume 2: Stars and the Milky Way System 1974 · ENGLISH · PDF View details →
Binary and Multiple Stars as Tracers of Stellar Evolution: Proceedings of the 69th Colloquium of the International Astronomical Union, held in Bamberg, F.R.G., August 31 – September 3, 1981 1982 · ENGLISH · PDF View details →
