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by Fouberg, Erin H., Michigan State Univeresity; Murphy, Alexander B., University of Oregon; de Blij, H.J., Northern State University; et al.
by Smolin, Lori A., University of Connecticut; Grosvenor, Mary B., Harbor, UCLA Medical Center; Gurfinkel, Debbie, University of Toronto
by Evans, Tess
by Ronald Comer
by Morris Hein (Mount San Antonio College); Scott Pattison (Ball State University); Susan Arena (University of Illinois, Urbana-Champaign); et al.
by Bruce Anderson (Boston University ); Alan H. Strahler (Boston University )
by Grandin, Temple
by David Halliday (University of Pittsburgh ); Robert Resnick (Rensselaer Polytechnic Institute); Jearl Walker (Cleveland State University )
by Lea R. Dopson (University of North Texas. Denton, Texas); David K. Hayes (Lansing, Michigan)
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