Croll, Neil Argo. <br/><br/>
Parasitism and other associations / 
Neil A. Croll. 
 - London :  Pitman,  1973. 
 - vii, 98 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0273000594 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parasitism.