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108 resultados con objetos digitales Muestra los resultados con objetos digitales

Man's Dependence Upon Energy

Man's Dependence Upon Energy

C. Lafkas: Utilization of energy. Traditional and present sources with particular reference to water power and fossil fuels and their distribution. The approaching depletion of fossil fuels.

Prospects for New Energy Sources

Prospects for New Energy Sources

C. Lafkas: Nuclear, solar, geothermal, and fusion as new sources. The present state of the art, the special problems to be solved and the possibilities of success.

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