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by Marietta, Don, Jr.; Embree, Lester; Callicott, J Baird; et al.
by Watson, Gary
by Gary Watson
by Cohen, Avner; Kim, Suzy; Holdren, John P.; et al.
by Editor: Gary Bridge (University of Bristol); Editor: Sophie Watson (The Open University)
by Bridge, Gary; Watson, Sophie
by Editor: Gary Bridge (University of Bristol, UK ); Editor: Sophie Watson (The Open University, UK )