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Energy and the environment in the Third World
Pearson, Peter J. G., (1989)
Umweltorientierte Entwicklungspolitik
Hein, Wolfgang, (1992)
Poland: an energy and environmental overview
Szpunar, C. B., (1990)
Renewable energy sources : internat. progress ; proceedings of the Internat. Symposium Workshop on Renewable Energy Sources, Lahore, Pakistan, March 18 - 23, 1983
Veziroğlu, Turhan Nejat, (1984)
Renewable energy sources ; A
Renewable energy sources ; B