Protection of water resources and aquatic ecosystems / Economic C ommission for Europe.
Material type:
TextSeries: Water series ; no. 1Publication details: New York : United Nations, 1993.Description: v, 50 p. ; 30 cmISBN: - 9211165717
- UNO/ECE (08)2/1
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"ECE/ENVWA/31."
United Nations publication sales no. E.93.II.E.23.
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