TY  - BOOK
AU  - Cushing, D. H.
TI  - Marine ecology and fisheries
SN  - 0521099110
U1  - 577.7 
PY  - 1975///
CY  - London
PB  - Cambridge university
KW  - Fisheries 	
KW  - Marine ecology
KW  - Fish populations
ER  -