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1987
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Hamburg: Hirt, 1980
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Bayreuth: Druckhaus Bayreuth Verlagsgesellschaft, 1984
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Nairobi [u.a.]: United Nations Environment Programme, 2008
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Dordrecht [u.a.]: Kluwer Acad. Publ., 2004
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Bonn: GIZ, January 2023
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Luxembourg: Publications Office of the European Union, 2018
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Geneve: International Organization for Standardization, 2022
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Geneve: International Organization for Standardization, 2017