GARG, M R & Bansal, V K <br/><br/>
Environmental Pollution and Protection 

 - New Delhi  Deep & Deep Publications Pvt  Ltd        2004 
 - xiv, 293p. 
<br/><br/><label>ISBN: </label>81-7100-527-6 
<br/><br/><label>Dewey Class. No.: </label>363.73637