TY  - BOOK
AU  - Graver,Dennis
AU  - Wohlers,Robert
ED  - Professional Association of Diving Instructors.
TI  - PADI advanced dive manual
AV  - GV840.S78 G668
U1  - 797.2/3 19
PY  - 1980///
CY  - Santa Ana, CA
PB  - Professional Association of Diving Instructors
KW  - Deep diving
KW  - Handbooks, manuals, etc
N1  - Includes index
UR  - http://www.archive.org/details/padiadvanceddive00grav
UR  - http://www.openlibrary.org/books/OL4163760M
ER  -