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by Jack E. Miller ((deceased) ); John R. Walker (University of South Florida ); Karen E. Drummond (Yardley, Pennsylvania)
by Furer, Patricia, Ph.D.; Walker, John R.; Stein, Murray B.
by Walker, John R.; Pavesic, David V.; Magnant, Paul F.; et al.
by John R. Walker (United States International Univ.)
by Walker, John R.; Mathis, Bernard D.
by Walker, John R.
by Dreiser, Theodore; Hennan, John C.; Cohen, Lester; et al.
by Prasad, Vinayaka R., Ph.D.; Kalpana, Ganjam V.; Walker, John M.
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