Books listed by ISBN
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McGraw-Hill
> Jacques R Helfer
Jacques R Helfer
J. H.
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J R
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R. H.
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R. Helfer
title
ISBN-13
(ISBN-10)
year of publication
How to know the rocks and minerals
978-0-697-04826-4
(0-697-04826-8)
1970
How to Know the Rocks and Minerals
978-0-697-04827-1
(0-697-04827-6)
1970
Jacques R. Marquette