Thirumurthy, A.M. <br/><br/>
Principles of Environmental Science Engineering 
By  A.M. Thirumurthy 
 -  S.P.&D. Pvt. Ltd. 
<br/><br/> Engineering 
<br/><br/><label>ISBN: </label>81-7366-377-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical