United Nations
Thermal power stations- a techno-economic study / United Nations - New York U.N. 1970 - v, 69p ill; 28cm
Thermal power
Thermal power station
Economic study
338.476213 / UNI
Thermal power stations- a techno-economic study / United Nations - New York U.N. 1970 - v, 69p ill; 28cm
Thermal power
Thermal power station
Economic study
338.476213 / UNI