O.P. Chawla <br/><br/>
Advances in biogas technology 

 - New Delhi  Indian council of agricultural research  1986 
 - 144p 
<br/><br/>O.P. Chawla: Advances in biogas technology.  New Delhi.  Indian council of agricultural research, 1986.--(665.776CHA)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>665.776  / CHA