Wastewater management policies and practices in As 

 - New York  United Nations USA         2000 
 - 126p.  cm. 
 - Un,Water Resources Series , 79 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical
<br/><br/><label>Dewey Class. No.: </label>X9(D86):8.5.N9, P0