P. L Diwakar Rao <br/><br/>
Pollution control handbook 1986 

 - Secunderabad  Utility Publications Limited  1986 
 - 339p 
<br/><br/>P. L Diwakar Rao: Pollution control handbook 1986.  Secunderabad.  Utility Publications Limited, 1986.--(363.7DIW)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>363.7  / PCH