Books listed by ISBN
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CRC Press
> William S. Helton
William S. Helton
title
ISBN-13
(ISBN-10)
year of publication
Canine Ergonomics: The Science of Working Dogs
978-1-42OO-7991-3
(1-42OO-7991-3)
2009
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William H.
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William Helton
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William S.
William S. Hendon