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by Robert J. Berg (Bowling Green State University); Fabrice Leroy (Bowling Green State University)
by I. N. Herstein (University of Chicago)
by Young, Hugh D.
by C. J. Wild (University of Auckland); George A. F. Seber (University of Auckland)
by David E. Johnson (Birmingham Southern University); Johnny R. Johnson; John L. Hilburn; et al.
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