1
by Tubach, Frederic C.
Published 2011
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Electronic
2
by Koshar, Rudy.
Published 1986
Book
3
Published 1994
Book
4
by Tubach, Frederic C.
Published 2011
Book
6
by Kühne, Thomas, 1958-
Published 2010
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Electronic
7
Published 1987
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Electronic