Cave diving communications
By: by Joe Prosser, H.V. Grey ; with illustrations by Wayne McKinnon, H.V. Grey
Contributors: Grey, H. V.; McKinnon, Wayne; National Speleological Society. Cave Diving Section
Edition: 1st ed.
Publisher: Cave Diving Section of the National Speleological Society
Published: 1990
Place of publication: Branford, FL
Language: eng
Number of pages: 59
Subjects: Cave diving; Handbooks, manuals, etcs; Scuba diving; Handbooks, manuals
Notes: Includes index.

"April 1, 1990"--P. iv.