Chand, Attar <br/><br/>
Environmental pollution & protection 

 - Delhi:   H K Publishers & Distributors,   1989 
 - 276p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment
<br/><br/><label>Subjects--Index Terms: </label>Environmental protection 
<br/><br/><label>Universal Decimal Class. No.: </label>502.55  / M9