Nussbaumer, Harry <br/><br/>
Discovering the expanding universe / 
Harry Nussbaumer, Lydia Bieri 
 - New York :  Cambridge University Press,  2009 
 - xvii, 226 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780521514842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology--History<br/>Expanding universe