Variation / 
edited by Benedikt Hallgrimsson, Brian Hall 
 - Burlington, MA :  Elsevier Academic Press,  2005 
 - xxi, 568 p. :  ill. (some col.) ;  24 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0120887770 (alk. paper)  RM274.32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variation (Biology)