Rao, P. Venugopala <br/><br/>
Principles of environmental science and engineering / 
P. Venugopala Rao,  
 - Eastern economy ed. 
 - New Delhi :  PHI Learning P.L.  c2012. 
 - xii, 276 p. ;  ill. ;  24cm. 
<br/><br/> Includes index 
<br/><br/>
<br/><br/><br/>english 
<br/><br/><label>ISBN: </label>9788120328938 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering<br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>628/RAP