Zdenek Kopal
An Introduction to the Study of the Moon
Astrometric Binaries
Binary and Multiple Stars as Tracers of Stellar Evolution
Dynamics of Close Binary Systems
Exploration of the moon by spacecraft (Contemporary science paperbacks, 21)
Mapping of the Moon
The Roche Problem
Wide Components in Double and Multiple Stars
Advances in Astronomy and Astrophysics
Astrometric Binaries Vol. 110, No. 1
Binary and Multiple Stars As Tracers of Stellar Evolution
Close binary systems