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by Eban S. Goodstein
by Stavins, Robert N.
by Daneke, Gregory A.
by William J. Cairns; Ann G Wilkie; Judith Hackitt; et al.
by Blair, Marshall
by Parkin, Michael
by Chichilnisky, Graciela; Rezai, Armon
by Herman E Daly
by Allen V. Kneese; Robert U. Ayres; Ralph C. d'Arge
by Alejandro Reuss, Bryan Snyder, Chris Sturr, and the Dollars & Sense Collective