TY  - BOOK
AU  - Clausen Hjalmar
AU  -  Gerwig Claude
TI  - Pig breeding, recording andprogeny lesting in Euro
T2  - Agricultural Studies. 44
U1  - KZ334:6.5.N5t, J8 
PY  - 1958///
CY  - Rome
PB  - Food and Agriculture Organization       
KW  - Zoology
ER  -