Collection of simple biogas digester designs 

 - Sichuan:  Southwest Architectural Desiging Institute,  1980 
 - 54 p.  cuadros. 
<br/><br/> Fotocopia 
<br/><br/>06606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biodigestores<br/>Biogas
<br/><br/><label>Dewey Class. No.: </label>665.776  / S7281