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  -