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Article
Four-coloring Planar Maps
Mathematica in Education and Research (1997)
  • Joan Hutchinson, Macalester College
Publication Date
1997
Citation Information
Joan Hutchinson. "Four-coloring Planar Maps" Mathematica in Education and Research Vol. 6 Iss. 1 (1997)
Available at: http://works.bepress.com/joan_hutchinson/24/