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2. Amusements in Mathematics;Dudeney,1917
3. Amusements in Mathematics;Dudeney,1970
4. Dudeney's round table problem;Heinrich;Ann. Discrete Math.,1991
5. K. Heinrich, M. Kobayashi, and G. Nakamura, A solution of Dudeney's round table problem for peqf + 1, submitted for publication.