TY  - BOOK
AU  - Gulland, J.A..
TI  - Manual of Sampling and Statistical Methods for Fisheries Biology Part I. Sampling methods / 
U1  - B28ObKZ332 
PY  - 1973///
CY  - Rome : 
PB  - Food and Agriculture Organization of United Nations , 
KW  - Statistical methods for Fisheries biology
ER  -