A case of colouration in the four colour problem

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Publisher	Stichting Mathematisch Centrum
Series	Stichting Mathematisch Centrum. Zuivere Wiskunde
Citation APA APA Style APA-ALL Style AAA Style Cell Style Chicago Style Harvard Style IEEE Style MLA Style Nature Style Vancouver Style American-Institute-of-Physics Style Council-of-Science-Editors Style BibTex Format Endnote Format RIS Format CSL Format DOIs only Format	Aarts, J. M.& de Groot, J. (1963). A case of colouration in the four colour problem. In Stichting Mathematisch Centrum. Zuivere Wiskunde (ZW 16/63/R). Stichting Mathematisch Centrum.

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