,  . <br/><br/>
Biogas technology /  
NULL. 
 - Ludhiana :   USG Publishers ,   1983. 
 - viii ,165p. :   ills.,fig.,tables ;   22cm. .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> NULL (Pbk) 
<br/><br/><label>Subjects--Index Terms: </label>BIOGAS 
<br/><br/><label>Dewey Class. No.: </label>665.776  /