Source book of alternative technologies for freshw - Kotowice IEIA 1998 - 125p cm. - Its, Technical Publication Series; 8b. Institute for Ecology of Industrial Areas, Publication. United Nations Environment Programme, Water Branch . Source: General Book Subjects--Topical Terms: Water SupplyIndustrial Economics Dewey Class. No.: X9(D85)0gF.5.N9, N8/UN