Ramanan, Parvanthy. <br/><br/>
Society environment and engineering   

 - New Delhi :   New Age International,   1998. 
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences
<br/><br/><label>Dewey Class. No.: </label>628  / RAM