Hupping, Carol. <br/><br/>
Producing your own power; :  how to make nature's energy sources work for you. / 
Edited by Carol Hupping Stoner ; Illus.: Erick Ingraham. 
 - Emmaus, PA :  Rodale Press, Book Division,  [1974]. 
 - 322 p. :  illus. ;  23 cm. 
 - An Organic gardening and farming book .
 - 621.4 .
<br/><br/>Bibliography: p. [297]-308. 
<br/><br/><label>ISBN: </label>0878570888 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources.
<br/><br/><label>Dewey Class. No.: </label>621.4