Hoggren, Mats. <br/><br/>
Mating strategies and sperm competition in the Adder (Vipera berus) 

 - Uppsala  Acta Universitatis Upsaliensis  1995 
 - 27p.  25cm. 
<br/><br/> Includes bibliographical references 
<br/><br/><label>ISBN: </label>9155436307 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and technology
<br/><br/><label>LC Class. No.: </label>PAM QA76.76.H63 No.163