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Inventors /
by Hacker, Carlotta,
Publication:
Calgary : Weigl, 2000
. 48 p. :
26 cm.
Date:2000
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Canadian inventors /
by Trottier, Maxine.
Publication:
Toronto : Scholastic Canada, 2004
. 46 p. :
23 cm.
Date:2004
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Invention and technology /
by Lomask, Milton.
Publication:
New York : | Toronto : | New York : Scribner's ; | Maxwell Macmillan Canada ; | Maxwell Macmillan International, 1991
. x, 262 p. :
24 cm.
Date:1991
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Incredible women inventors /
by Braun, Sandra.
Publication:
Toronto : Second Story Press, 2006
. 112 p. :
23 cm.
Date:2006
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Bleeps and blips to rocket ships : great inventions in communications /
by Hegedus, Alannah.
Publication:
Toronto : Tundra Books, 2001
. 88 p. :
, Includes index.
26 cm.
Date:2001
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