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by Humphries, Tom; Padden, Carol; O'Rourke, Terrence J.
by Carter, Paul; Chiang, George
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by TUCKER,ROBERT C.
by Wehr, Hans
by Marty M. Taylor
by René Descartes , Edited by John Cottingham , Robert Stoothoff , Dugald Murdoch , Anthony Kenny
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by Keith H. Basso
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