Directory of institutions and individuals active in environmentally-sound and appropriate technologies.
Material type:
TextSeries: UNEP reference series ; v. 1Publication details: Oxford ; New York : Oxford ; New York : Published for the United Nations Environment Programme by Pergamon Press, 1979.Edition: 1st edSubject(s): DDC classification: - 602/.5 19
- T12 .D53 1979
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Includes indexes.
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