Energy [videorecording] the problems and the future

Examines the potential of several nonpolluting, renewable energy resources, including tidal power, geothermal power, wind power, solar power and hydrogen gas.

Opis bibliograficzny
Korporacja: National Geographic Society (Washington, D.C.)
Format: Visual Material
Język:English
Wydane: Washington, D.C. The Society c1978.
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