LEADER 00000nam 2200181 a 4500 001 17781206 003 UkHlHU 007 t 008 000 040 UkHlHU 050 4 |fq|aQA 445 D5 100 1 De Villiers, Michael D. 245 10 Rethinking proof with the geometer's sketchpad. 260 Berkeley, Calif. :|bKey Curriculum Press,|c1999. 300 208p. + |e1 CD-ROM. 500 Includes 1 CD-ROM. 650 0 Geometry.
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