Ecology and physiology of parasites ; a symposium held at university of Toronto 19 and 20 february 1971 
A.M. Fallis (ed.) 
 - x, 258 p. / 25 cm. 
<br/><br/> FACULTAD DE ZOOTECNIA 
<br/><br/><label>ISBN: </label>85-274-298-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Parasitología ecología y fisiología
<br/><br/><label>Dewey Class. No.: </label>574.5249  / ECO c1971