Carling Ellen B Ed. Proceeding on Photometric and spectroscopic binary systems Carling Ellen B Ed.; Kopal Zdenek Ed. - Holland D Reidal 1991 - xi, 572p. cm. - NATO advanced study institute series: Mathematical and physical sciences; 69 . Standard No.: 24943 Source: Textual Dewey Class. No.: B9:570j653p1,N80, M1