Books listed by ISBN
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Wiley
> Howard A. Perko
Howard A. Perko
title
ISBN-13
(ISBN-10)
year of publication
Helical Piles: A Practical Guide to Design and Installation
978-O-47O-4O479-9
(O-47O-4O479-5)
2009
A. P.
·
H.A.
·
H. P.
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Howard P
Howard A., Ph.D. Smolleck