Halacy, D. S.

Earth, water, wind and sun : our energy alternatives / D. S. Halacy, Jr. - 1st ed. - New York : Harper & Row, Publishers,, 1977 - 186 p. : ill. ; 22 cm.

Includes index.

Bibliography: p. [179]-180.

006011777x


Power resources.
Tidal power.
Solar energy.
Water-power.
Wind power.
Geothermal resources.

333.7 / HAL