TY  - BOOK
ED  - UN. Economic and Social Affairs, Department
TI  - New Sources of energy and economic development: solar energy, wind energy, tidal energy, geothermic energy and thermal energy of the seas
U1  - 338.45 
PY  - 1957///
CY  - New York
PB  - UN. Economic and Social Affairs, Department
KW  - Economic development
KW  - machinery in industry
ER  -