Sathianathan,M A. <br/><br/>
Bio-gas achievements and challenges 

 - New Delhi  Sagar Printers and Publishers  1975 
 - xxvi,192  28.5cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>665.7