TY  - BOOK
AU  - x, x
AU  - Gilbert,Perry W.
TI  - Sharks and survival: x
SN  - x
U1  - 597.31/S581 
PY  - 1963///
CY  - Boston
PB  - D.C. Heath
KW  - Sharks
KW  - Zooology
N1  - Incluedes
ER  -