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by Isaacson, Eugene; Keller, Herbert Bishop
by Harper, David A. T.
by Kendall Atkinson (Univ. of Iowa)
by Arnold Neumaier
by Kaper,Hans G.
by Bull; JOHN W
by Stewart, G. W.
by Andrecut, Mircea
by Watson; G.A.
by Faires, J. Douglas; Burden, Richard L.