TY  - BOOK
AU  - Richardson,Drew
AU  - Hornsby,Al
AU  - Stewart,C.K.
ED  - Professional Association of Diving Instructors.
TI  - PADI open water diver manual
AV  - GV840.S78 P23 1988
U1  - 797.23 
PY  - 1988///
CY  - Santa Ana, CA
PB  - Professional Association of Diving Instructors
KW  - Deep diving
KW  - Handbooks, manuals, etc
N1  - "Technical writers, Karl Shreeves, Bob Wohlers ; contributing writers, Alex Brylske, Ralph Erickson"--P. iii; Includes index
UR  - http://www.archive.org/details/padiopenwaterdiv00rich
UR  - http://www.openlibrary.org/books/OL24237284M
ER  -