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by Rosenzweig, Gary
by John R. Schermerhorn (Ohio University); James G. Hunt; Richard N. Osborn (Wayne State University); et al.
by Frank Vahid (University of California, Riverside, USA. )
by David Halliday (University of Pittsburgh); Robert Resnick (Rensselaer Polytechnic Institute); Jearl Walker (Cleveland State University)
by Young, Hugh D.; Freedman, Roger A.; Ford, A. Lewis
by H. J. de Blij (Michigan State University); Peter O. Muller (University of Miami )
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by Gary R. Morrison (Old Dominion University ); Steven M. Ross (Ithaca College ); Jerrold E. Kemp (Emeritus, San Jose State University ); et al.
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