Encyclopaedia of pollution control 
board of editor Prof. Priyaranjan Trivedi 
 - New Delhi  Jnanada Prakashan  c2007 
 - 5 v. ; 23 cm 
<br/><br/><label>ISBN: </label>8171391028 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Other social problems & services
<br/><br/><label>Dewey Class. No.: </label>363.736 PRI.5