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2000 | ||
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2 | EE | H. Okumura, J. F. Rigby: A Double Tiling of Triangles and Regular Hexagons. Discrete & Computational Geometry 24(2-3): 467-480 (2000) |
1983 | ||
1 | EE | J. F. Rigby: Some geometrical aspects of a maximal three-coloured triangle-free graph. J. Comb. Theory, Ser. B 34(3): 313-322 (1983) |
1 | H. Okumura | [2] |