Crofton, Harry Draper <br/><br/>
Nematode parasite population in sheep and on pasture  / 
Harry Dra per Crofton 
 - Farnham Royal, Eng. :  Commonwealth Agricultural Bureaux ,  1963 
 - 104 p. :  ill. ;  25 cm. 
 - Commonwealth Bureau of Helminthology, St. Albans, Eng.  Technical communication  no. 35. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nematoda<br/>Sheep--Parasites<br/>Sheep--Diseases
<br/><br/><label>Dewey Class. No.: </label>636.30896 CRO