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Light & sight /
by Richards, Jon,
Publication:
Brookfield, Conn : Copper Beech Books, 1999
. 31 p. :
, Includes index.
30 cm.
Date:1999
Availability:
Copies available:
(1),
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Magnetism & magnets /
by Flaherty, Michael.
Publication:
Brookfield, Conn. : Copper Beech Books, 1999
. 32 p. :
, Includes index.
30 cm.
Date:1999
Availability:
Copies available:
(1),
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