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