Environmental pollution and protection 
edited by M.R. Garg, V.K. Bansal and; M.S. Tiwana. 
 - New Delhi  Deep and Deep Publications  1995 
 - xiv,293p., 22cm. 
<br/><br/><label>ISBN: </label>8171005276. 
<br/><br/><label>Dewey Class. No.: </label>363.70526,  / E76E