Messier, William F., author
Irwin/McGraw-Hill, 2014
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Arens, Alvin A., author
Pearson, 2014
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Messier, William F., author
McGraw-Hill/Irwin, 2003
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Sprinthall, Norman A., author
New Yorrk McGraw-Hill 1990,
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Thomas, J. ALan
John Wiley & Sons, 1971
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