TY  - BOOK
AU  - Coffey, David J. 
TI  - Dolphins, Whales and Porpoises : : an encyclopedia of sea mammals 
SN  - 0020919506
U1  - 599.53 
PY  - 1977///
CY  - New York : 
PB  - Collier Books , 
KW  - Marine mammals
ER  -