Waste water collection treatment and disposal in class I cities: status & action plan 
by Central Board for the Prevention 
 - Delhi  Central Board for the Prevention and Control of Water Pollution   
 - 60p. 
 - Control of Urban Pollution Series: Cups/4/1978-79 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water pollution- India<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>O91x54 W288