1
by Opper, Jacob, 1935-
Ann Arbor Michigan : Xerox Company, 1972
Ann Arbor Michigan : Xerox Company, 1972
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Thesis
Book
2
by Opper, Jacob, 1935-
Rutherford [N.J.] Fairleigh Dickinson University Press 1973
Rutherford [N.J.] Fairleigh Dickinson University Press 1973
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Book