1
Operations research proceedings. 1996 : selected papers of the Symposium on Operations Research (SOR 96) Braunschweig, September 3-6, 1996 /
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2
International environmental economics: theories, models and applications to climate change, international trade and acidification.
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3
Equilibrium and disequilibrium in economic theory: conference: proceedings : Wien, 03.07.74-05.07.74.
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