Smith, Robert W. <br/><br/>
The expanding universe  astronomy's'great debate', 1900-1931 / 
Robert W. Smith 
 - Cambridge :  Cambridge University Press,  1982 
 - xiv,220 p. :  ill. ports ;  24 cm. 
<br/><br/>Bibliography: p202-215 
<br/><br/><label>ISBN: </label>0521232120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology--History--20th century