Arora, R.K <br/><br/>
Air pollution  causes and effective control 

 - Jaipur  Mangal Deep Pub.  1999 
 - 298 p. 
<br/><br/><label>ISBN: </label>8175940492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>363.7392  / ARO