Fry, L. John. <br/><br/>
Practical building of methane power plants for rural energy independence / 
by L. John Fry. 
 - Santa Barbara, CA :  L. John Fry,  1974. 
 - 96 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0960098410 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas--producers.<br/>Farm manure.