CIH keys to the nematode parasites of vertebrates / 
edited by Roy C. Anderson, Alain G. Chabaud, Sheila Willmott 
 - Farnham Royal :  Commonwealth Agricultural Bureaux,  1974- 
 - v. :  ill.  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nematoda--Classification<br/>Nematoda--Identification<br/>Parasites--Vertebrates