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Harnessing power from the sun /
by Walker, Niki,
Publication:
New York, NY : Crabtree, 2007
. 32 p :
, Includes index.
29 cm.
Date:2007
Availability:
Copies available:
(1),
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Hydrogen : running on water /
by Walker, Niki,
Publication:
New York : Crabtree Pub., 2007
. 32 p. :
, Includes index.
29 cm.
Date:2007
Availability:
Copies available:
(1),
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Generating wind power /
by Walker, Niki,
Publication:
New York, NY : Crabtree Pub., 2007
. 32 p. :
, Includes index.
29 cm.
Date:2007
Availability:
Copies available:
(1),
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4. |
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Geothermal energy : using earth's furnace /
by Gleason, Carrie,
Publication:
New York : Crabtree, 2008
. 32 p. :
, Includes index.
29 cm.
Date:2008
Availability:
Copies available:
(1),
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