Droscher, Vitus B.,  <br/><br/>
They love and kill  sex, sympathy and aggression in courtship and mating 
by Vitus B. Droscher. 
 - New York:  E. P. Dutton,  1976. 
 - 363 pages :   illustrations ;   21 cm. 
<br/><br/> Translation of: Sie toten und sie lieben sich 
<br/><br/><label>ISBN: </label>0876902158 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social behavior in animals.