[LoydFifteenWeb] Bogomolny, A. Sam Loyd's Fifteen
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[RubiksCubeWeb] Köller, J. Rubik's Cube
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[HistGames] O'Connor, J. J. and Robertson, E. F. ,
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[NCursesWeb] The ncurses C library
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[GAPBibliography] A Bibliography of GAP related publications,
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generated by GAPDoc2HTML