Agarwal S K <br/><br/>
Eco-informatics 5V 

 - New Delhi   A P H Publishers India       2002 
 - ix, 285p  cm. 
 -  V1 .
<br/><br/><label>ISBN: </label>8176483249 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U:(G:55).2.P, P2.1-2