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Solar energy /
by Mahaney, Ian F.
Publication:
New York : PowerKids Press, 2007
. 24 p. :
, Includes index.
24 cm.
Date:2007
Availability:
Copies available:
(1),
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Electricity /
by Mahaney, Ian F.
Publication:
New York : Rosen Pub. Group's PowerKids Press, 2007
. 24 p. ;
, Includes index.
24 cm.
Date:2007
Availability:
Copies available:
(1),
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Sound waves /
by Mahaney, Ian F.
Publication:
New York : Rosen Pub. Group's PowerKids Press, 2007
. 24 p. :
, Includes index.
23 cm.
Date:2007
Availability:
Copies available:
(1),
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Light /
by Mahaney, Ian F.
Publication:
New York : Rosen Pub. Group's PowerKids Press, 2007
. 24 p. ;
, Includes index.
24 cm.
Date:2007
Availability:
Copies available:
(1),
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Heat /
by Mahaney, Ian F.
Publication:
New York : Rosen Pub. Group's PowerKids Press, 2007
. 24 p. ;
, Includes index.
24 cm.
Date:2007
Availability:
Copies available:
(1),
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