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by Skinner, Brian J.; Murck, Barbara W.
by Brian J. Skinner (Yale Univ.); Stephen C. Porter (Univ. of Washington); Daniel B. Botkin (The Center for the Study of the Environment, George Mason Univ.)
by Skinner, Brian J.; Porter, Stephen C.; Botkin, Daniel B.
by Brian J. Skinner (Yale Univ., New Haven, Connecticut)
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