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Circle Publishing
> Deric Ellerby
Deric Ellerby
title
ISBN-13
(ISBN-10)
year of publication
Dive Leading
978-0-9538919-4-8
(0-9538919-4-1)
2004
The Diving Manual
978-0-9538919-2-4
(0-9538919-2-5)
2002
Derik Evertz