Heintein, Robert A. (Robert Anson),   1907-,  <br/><br/>
Time enough for love 
Robert A. Heintein. 
 - London:  New English Library,  1974. 
 - 607pages ;   22cm. 
<br/><br/><label>ISBN: </label>0450048594 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English fiction--American authors.