Aschbacher, M. "The Non-Existence of Rank Three Permutation Group of Degree 3250 and Subdegree 57." J. Algebra19, 538-540, 1971.Bannai, E. and Ito, T. "On Moore Graphs." J. Fac. Sci. Univ. Tokyo Ser. A20, 191-208, 1973.Biggs, N. L. Ch. 23 in Algebraic Graph Theory, 2nd ed. Cambridge, England: Cambridge University Press, 1993.Bosák, J. "Cubic Moore Graphs." Mat. Časopis Sloven. Akad. Vied20, 72-80, 1970.Bosák, J. "Partially Directed Moore Graphs." Math. Slovaca29, 181-196, 1979.Damerell, R. M. "On Moore Graphs." Proc. Cambridge Philos. Soc.74, 227-236, 1973.Feit, W. and Higman, G. "The Non-Existence of Certain Generalized Polygons." J. Algebra1, 114-131, 1964.Friedman, H. D. "On the Impossibility of Certain Moore graphs." J. Combin. Th. B10, 245-252, 1971.Godsil, C. D. "Problems in Algebraic Combinatorics." Electronic J. Combinatorics2, No. 1, F1, 1-20, 1995. http://www.combinatorics.org/Volume_2/Abstracts/v2i1f1.html.Godsil, C. and Royle, G. "Moore Graphs." §5.8 in Algebraic Graph Theory. New York: Springer-Verlag, pp. 90-91, 2001.Hoffman, A. J. and Singleton, R. R. "On Moore Graphs of Diameter 2 and 3." IBM J. Res. Develop.4, 497-504, 1960.Royle, G. "Cages of Higher Valency." http://www.csse.uwa.edu.au/~gordon/cages/allcages.html.Wong, P. K. "Cages--A Survey." J. Graph Th.6, 1-22, 1982.