Whitfield, Philip. <br/><br/>
The biology of parasitism :  an introduction to the study of associating organisms / 

 - Baltimore :  University Park Press,  c1979. 
 - x, 277 p. : 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0839114591 
<br/><br/><label>Dewey Class. No.: </label>574.524  / WHI