TY  - BOOK
AU  - Gulland  J.A.
TI  - Manual of sampling and statistical methods for fisheries biology : part 1.sampling methods\
U1  - 639.2 
PY  - 1966///
CY  - ROME
PB  - FOOD AND AGRICULTURE ORGANIZAT
KW  - Manual of sampling and statistical methods for fisheries biology : part 1.sampling methods\
ER  -