Union territory of Delhi (detailed) 
by Central Board for the Prevention 
 - Delhi  Central Board for the Prevention and Control of Water Pollution   
 - 36p. 
 - Control of urban pollution series: cups/2/1978-79 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water pollution - India - Delhi<br/>Pollution
<br/><br/><label>Dewey Class. No.: </label>O91x54 Un3