TY  - BOOK
AU  - Jefferson, Thomas A
AU  - Pitman, Robert L
AU  - Webber, Marc A
TI  - Marine mammals of the world : a comprehensive guide to their identification
SN  - 9780123838537
U1  - 599.5 JEF 
PY  - 2008///
CY  - Amsterdam ; Boston
PB  - Elsevier / Academic Press
KW  - Marine mammals
KW  - Marine mammals -- Identification
N1  - includes index
ER  -