Ward, Ritchie R. <br/><br/>
The living clocks / 
Richie R. Ward 
 - London :  Collins,  1972 
 - 319 p. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>000211481X :  PND 2.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological rhythms
<br/><br/><label>Dewey Class. No.: </label>574.18