Producing your own power; :
Hupping, Carol.
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 .
Bibliography: p. [297]-308.
0878570888
Power resources.
621.4
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 .
Bibliography: p. [297]-308.
0878570888
Power resources.
621.4