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by Sala, Osvaldo E.; Jackson, Robert B.; Mooney, Harold A.; et al.
by Chapin, F. Stuart, III; Sala, Osvaldo E.; Huber-Sannwald, Elisabeth
by Sala, Osvaldo E.; Meyerson, Laura A.; Parmesan, Camille
by F.Stuart Chapin; Osvaldo E. Sala; Elisabeth Huber-Sannwald