TY  - BOOK
AU  - Laevastu, Taivo; Hela, Ilmo
TI  - Fisheries oceanography: New ocean environmental services
U1  - 597  LAE-F 
PY  - 1970///
CY  - Fishing News Ltd., London
KW  - Vertebrates-- Cold-blooded vertebrates-- Pisces (Fishes)-- Cat fishes
ER  -