TY  - BOOK
AU  -  Crofton,Harry Draper
TI  -  Nematode parasite population in sheep and on pasture
U1  -  636.30896 CRO 
PY  - 1963///]
CY  -  Farnham Royal, Eng. : 
PB  -  Commonwealth Agricultural Bureaux 
KW  -  Nematoda
KW  -  Sheep
KW  -  Parasites
KW  -  Diseases
ER  -