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Simple machines /
by Hodge, Deborah.
Publication:
Toronto : Kids Can Press, 1996
. 32 p. :
, Includes index.
24 cm.
Date:1996
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Simple machines /
by Whittle, Fran.
Publication:
Austin, Tex. : Raintree Steck-Vaughn, 1998
. 32 p. :
28 cm.
Date:1998
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Experiments With Simple Machines
by Tocci, Salvatore
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