Smith, Robert W. 1952- The expanding universe : astronomy's "Great Debate," 1900-1931 / Robert William Smith - Cambridge : The University Press, c1982 - xiv, 220 p. : ill. ; 23 cm. Includes bibliographical references and index ISBN: 0521232120 : PND 20.00 Subjects--Topical Terms: Expanding universe Dewey Class. No.: 520.9