TY  - BOOK
AU  - GULLAND A. J.
TI  - MANUAL OF SAMPING AND STATISTICAL METHODS FOR FISHERIES BIOLOGY 
AV  - 639.3028/GUL 2
U1  - 639.3028/GUL 
PY  - 1966///
CY  - ROME 
PB  - FAO
ER  -