Trivedi P R <br/><br/>
Environment and natural resources conservation 

 - New Delhi   Commonwealth Publishers          1994 
 - vi, 293p  cm. 
<br/><br/> Appendix: P 246-66 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>U671:(G:527), N4