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Twayne Pub
> Dr. Perter Happe
Dr. Perter Happe
title
ISBN-13
(ISBN-10)
year of publication
John Bale
978-O-8O57-7O48-3
(O-8O57-7O48-8)
1996
D,. H..
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D. P.
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Dr. Happe
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Dr.P
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P. H.
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P Happe
Dr Pertti Joenniemi