TY  - BOOK
AU  - Laing J. A.
TI  - Trichomonas foetus infection of cattle
T2  - Agricultural Studies. 33
U1  - KZ311,185:32:2:4, J6/UN 
PY  - 1956///
CY  - Rome
PB  - Food and Agriculture Organization       
KW  - Zoology
ER  -