Worlken, Jerome J. <br/><br/>
Photo processes photoreceptors and evolution 

 - New York  : Academy Press,  1975. 
 - xiii,317p.  : ill.  ; 24cm. 
<br/><br/>Includes bibliographical reference and index 
<br/><br/><label>ISBN: </label>0-12-762050-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>photoreceptors 
<br/><br/><label>LC Class. No.: </label>QH15.W64