Basics of environmental science and engineering/ 
Sivaahanmugam,P. 
 - 1st.ed 
 - New Delhi:  NIPA,  2007. 
 - 368 
<br/><br/><label>ISBN: </label>8189422278 
<br/><br/><label>Dewey Class. No.: </label>628  / SIV/B