KARUNAIRAJAN, Richards D. <br/><br/>
The bio-gas way / 
[by] Richards D.Karunairajan 
 - Sithankerny  Serendeepam  1972 
 - 23 p. 
<br/><br/><label>ISBN: </label>61446 
<br/><br/><label>Dewey Class. No.: </label>665.73  / KAR