National institute of industrial research board  <br/><br/>
Hand book on biogas and its applications  

 - Delhi  National Institute of Industrial Research 
 - xiii,454p.  22cm 
<br/><br/><label>ISBN: </label>8186623825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>WASTES<br/>ENVIRONMENTAL PROBLEMS<br/>SANITATION
<br/><br/><label>Dewey Class. No.: </label>363.728  / NAT