Midlemiss, Ross R.
New york McGraw-Hill Book Company, Inc. 1945,
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Carico, Charles C., author
John Wiley & Sons, 1980
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Gill, Gurcharan S., author
Addison-Wesley, 1979
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Anton, Howard, author
John Wiley & Sons, 1980
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Randolph, John F., author
Wadsworth, 1965
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