TY  - BOOK
AU  - Perrin,William F
AU  - Wursig,Bernd
TI  - Encyclopedia of marine mammals
SN  - 9780123735539
U1  - 599 (26) 
PY  - 2009///
CY  - Amsterdam
PB  - Elsevier
KW  - Marine mammals
KW  - marine animals
KW  - Marine mammals-Encyclopedia
ER  -