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"Rectangle-Free Colorings of Extremely Complex Grids Using 4 Colors."
Bernd Steinbach, Christian Posthoff (2013)
- Bernd Steinbach, Christian Posthoff:
Rectangle-Free Colorings of Extremely Complex Grids Using 4 Colors. J. Multiple Valued Log. Soft Comput. 21(5-6): 609-625 (2013)
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