Timings, R.L. (Roger Leslie), 1927-, author
Longman Scientific, 1989
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Van Vlack, Lawrence H., author
Addison-Wesley, 1982
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Dekker, Adrianus J., author
Prentice-Hall, 1984
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Van Vlack, Lawrence H., author
Addison-Wesley, 1989
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Davis, Harmer E., author
McGraw-Hill , 1964
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