70952 2 196498 document 70952 451-1993-1-PB.pdf application/pdf b53be699b607bd1b441c790751617db0 MD5 6248642 2016-09-13 13:52:36 https://pure.iiasa.ac.at/id/eprint/10320/1/451-1993-1-PB.pdf 10320 1 1 application/pdf text en public cc_by

451-1993-1-PB.pdf

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