Kopal, Zdenĕk, 1914-1993. Dynamics of close binary systems / Zdenĕk Kopal. - Dordrecht ; Boston : D. Reidel, c1978. - xiii, 510 p. ; 25 cm. - Astrophysics and space science library ; v. 68 . Includes indexes. Bibliography: p. 491-501. ISBN: 9027708215 (pbk.) LCCN: 77020081 Subjects--Topical Terms: Double stars.Stars--Evolution. LC Class. No.: QB821 / .K76 Dewey Class. No.: 523.8/41