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1.  Monographies, textes Environmental aspects of selected non-ferrous metals (Cu, Ni, Pb, Zn, Au) ore mining : a technical guide / United Nations Environment Programme, Industry and Environment Programme Activity CentrePublication :Paris, France : UNEP, [1991]Description : xvii, 116 p. : ill. ; 30 cmAvailability: Copies available for loan: Bib. Fontainebleau[EMF 15516-8] (1).
2.  Monographies, textes Environmental management of nickel production: a technical guidePublication :Paris : United Nations Environment Programme, Industry and Environment, Programme Activity Centre, 1993Description : ix, 90 p. : ill. ; 30 cmAvailability: Copies available for loan: Bib. Fontainebleau[EMF 15517-8] (1).

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