TY  - BOOK
ED  - Food and Agriculture Organization.
ED  - United Nations Environment Programme.
TI  -  Mammals in the seas: General papers and large Cetaceans 
SN  - 9251005133
U1  - 599.5 
PY  - 1981///
CY  - Rome, London
PB  - Food and Agriculture Organization of the United Nations ; H.M.S.O. (distributor), 
KW  -  Marine mammals
ER  -