Sourcebook of alternative technologies for freshwa 

 - kotowica  IEIA            1998 
 - 125p.  cm. 
 - Its, Technical Publication Series, 8b. .
<br/><br/> Institute for Ecology of Industrial Areas, Publications; United Nations Environmnet Programme, water Branch 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>X 9(D85)OgF.5.N9, N8