TY  - BOOK
AU  - Gulland J. A.
TI  - Manual of sampling and statistical methods for fis
T2  - Manuals in Fisheries Science. 3
U1  - KZ332:(B28)g, K6 
PY  - 1966///
CY  - Rome
PB  - Food and Agriculture Organization       
KW  - Zoology
ER  -