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by Veysey, Laurence R.
by University of Chicago School Mathematic Project
by Thomas H. Wonnacott (University of Western Ontario); Ronald J. Wonnacott (University of Western Ontario)
by Ralph Fasold (Georgetown University)
by Delores M. Etter (University of Colorado, Boulder)
by Michael T. Clanchy (University of London)
by Balderston, Frederick E.
by Usiskin, Zalman; Flanders, James; Hynes, Cathy; et al.
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