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Experiments with balloons /
by Gardner, Robert,
Publication:
Springfield, N.J. : Enslow Publishers, 1995
. 104 p. :
24 cm.
Date:1995
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Experiments with light and mirrors /
by Gardner, Robert,
Publication:
Springfield, N.J. : Enslow Publishers, 1995
. 112 p. :
24 cm.
Date:1995
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(1),
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EXPERIMENTS WITH MOTION
by GARDNER, ROBERT
Publication:
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