Laitinen, Herbert A. (Herbert August), 1915-, author
McGraw-Hill, 1975
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Jacobs, Morris B.
Interscience Publishers, 1969
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Ellis Horwood, 1992
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Whitten, Kenneth W., author
Saunders College, 1992
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Baiulescu, G.E. (George E.), author
John Wiley & Sons, 1977
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