TY  - BOOK
AU  - Chapskii,K K
AU  - Sokolov,V E
TI  - Morphology and Ecology of Marine Mammals : Seals,Dolphins,Porpoises
SN  - 0470810556
U1  - 599.53 
PY  - 1973///
CY  - New York
PB  - John Willey 
ER  -