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	1.	Water quality assessments: a guide to the use of biota, sediments and water in environmental monitoring / edited by Deborah Chapman ; published on behalf of UNESCO United Nations Educational, Scientific and Cultural Organization, WHO World Health Organization, UNEP United Nations Environment Programme. by Chapman, Deborah V Edition: 2nd ed. Publication details: London: E & FN Spon, 1996 Availability: Items available for reference: Main: Not for loan (2)Call number: TD367 W38 1996, ... Add to cart (remove)
	2.	Water pollution control : a guide to the use of water and Ivanildo Hespanhol. by Helmer, Richard Hespanhol, Ivanildo United Nations Environment Programme Water Supply and Sanitation Collaborative Council World Health Organization Edition: 1st. ed. Publication details: London : E & FN Spon, 1997 Availability: Items available for reference: Main: Not for loan (1)Call number: TD365 W38 1997. Add to cart (remove)
	3.	No cover image available The Impact of large water projects on the environment : proceedings of an International Symposium convened by Unesco and UNEP and organized in cooperation with IIASA and the IAHS, 21-31 October 1986, Unesco Headquarters, Paris. by Unesco United Nations Environment Programme International Institute for Applied Systems Analysis International Association of Hydrological Sciences Language: English Summary language: French Publication details: Paris : Unesco, 1990 Availability: Items available for loan: Main (1)Call number: GB652 I46 1990. Place hold Add to cart (remove)

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