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A. Markandya, I. Milborrow, A. Hunt, B. Drost-Franke, W. Krewit, R. Friedrich, A. Trukenmuller, M. Pavan, G. Crapanzano, M. -L. Tamborra, L. De Fura, K. Dorland, O. Kuik, F. Spaninks, M. Holland, P. Watkiss, Mike Hornung, D. C. (David) Howard, U. Triebswetter, F. Hurley, P. Donnan, European Commission· 1998
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· 2006
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· 1992
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