Circannual clocks :  annual biological rhythms / 
edited by Eric T. Pengelley. 
 - New York :  Academic Press,  1974. 
 - ix, 523 p. :  ill. ;  23 cm. 
 - Academic Press rapid manuscript reproduction .
<br/><br/><label>ISBN: </label>012550150 
<br/><br/><label>LCCN: </label>74-27489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological rhythms.