Double stars - Congresses.

Zdenek Kopal's Binary Star Legacy by: (Language materials, printed)

Binary stars = selected topics on observations and physical processes : lectures held at the Astrophysics School XII, organized by the European Astrophysics Doctoral Network (EADN) in La Laguna, Tenerife, Spain, 6-17 September 1999 / by: (Language materials, printed)

Black holes in binaries and galactic nuclei = diagnostics, demography, and formation : proceedings of the ESO workshop held at Garching, Germany, 6-8 September 1999, in honour of Riccardo Giacconi/ by: (Language materials, printed)

Double stars

Galactic nuclei

Physics.

Astronomy, Astrophysics and Cosmology.

Relativity and Cosmology.

Black holes (Astronomy)