Russell, Bertrand, 1872-1970
The principles of mathematics
George Allen and Unwin, 1956
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Bueche, Frederick, 1923-
Principles of physics
New York McGraw-Hill 1988,
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Tamarin, Robert H.
Principles of genetics
Wm.C. Brown , 1991
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Dossat, Roy J.
Principles of refrigeration
Prentice-Hall, 1977
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Weygandt, Jerry J.
Accounting principles
John Wiley & Son, 1999
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