TY  - BOOK
AU  - Hupping,Carol
AU  - Ingraham,Erick
TI  - Producing your own power;: how to make nature's energy sources work for you. 
SN  - 0878570888
U1  - 621.4 
PY  - 1974///]
CY  - Emmaus, PA
PB  - Rodale Press, Book Division
KW  - Power resources
N1  - Bibliography: p. [297]-308
ER  -