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.

ग्रंथसूची विवरण
निगमित लेखक: National Geographic Society (Washington, D.C.)
स्वरूप: Visual Material
भाषा:English
प्रकाशित: Washington, D.C. The Society c1978.
विषय: