Epidemiology and control of nematodiasis in cattle / 
edited by P. Nansen, R. Jess Jorgensen, E. J. L. Soulsby 
 - The Hague :  Martinus Nijhoff,  1981 
 - v. :  ill. ;  24 cm. 
<br/><br/> Proceedings of workshop held at Royal Veterinary & Agricultural University, Copenhagen, 1980, sponsored by Commission of European Communities 
<br/><br/>References : p .524-526 
<br/><br/><label>ISBN: </label>902472502X (vol. 9) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cattle--Diseases--Congresses<br/>Veterinary medicine--Congresses