Ward, Ritchie R. <br/><br/>
The living clocks / 
[by] Ritchie R. Ward. Drawings by Hollett Smith. 
 - New York :  Knopf,  1971. 
 - 385 p. :  ill. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0394416953 
<br/><br/><label>LCCN: </label>77111247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biochemistry.<br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>574.1