Rajvaidya, Neelima.  <br/><br/>
Environmental measurement :   concept & approach / 
Neelima Rajvaidya and Dilip Kumar Markandey. 
 - New Delhi :   APH Publishing Corporation,   2005 
 - 207 p. ;   23 cm. 
<br/><br/><label>ISBN: </label>8176487910 ;9788176487917 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage -- Purification -- Biological treatment.;Environmental impact analysis.
<br/><br/><label>Universal Decimal Class. No.: </label>363.739