The Cave Diving Group Manual
by:
Andrew M. Ward · Colin P. Hayward · David C. W. Brock · John N. Cordingley ·
Duncan M. Price
· Rupert P. Skorupka · Richard W. Stanton ·
Mike B. Thomas
Paperback
details (
UK
).
ISBN: 978-0-901031-04-4
ISBN-10: 0-901031-04-6
Cave Diving Group
· 2008