TY  - BOOK
AU  - Gulland, J A
TI  - Fish stock assessment: A manual of basic methods
U1  - 338.3727  GUL-F 
PY  - 1983///
CY  - John Wiley & Sons Inc., New York
KW  - Fisheries - economics-- management-- industries-- products-- technology-- fishing policy-- comm. fishing
ER  -