Simonis, U. E., 1999, The Kyoto-Protokoll. What next?, Productivity. A Quarterly Journal of the Indian Productivity Council, 40 (2): 263-268.
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Simonis, U. E. (1999). The Kyoto-Protokoll. What next?, Productivity. A Quarterly Journal of the Indian Productivity Council, 40(2), pp. 263-268.
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