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

 - New Delhi  I.C.A.R.  1986 
 - 144 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogas technology
<br/><br/><label>Dewey Class. No.: </label>631.4 C32A