TY  - BOOK
AU  - Erickson,Ralph D.
TI  - Discover the underwater world: the complete guide to the art and science of skin and SCUBA diving 
U1  - 797.2 
PY  - 1972///
CY  - Santa Ana, Calif.
PB  - U.S. Divers
KW  - Skin diving
KW  - Scuba diving
ER  -