- John J. Cannon, Bruce C. Cox, and Derek F. Holt, Computing Sylow subgroups in permutation groups, J. Symbolic Comput. 24 (1997), no. 3-4, 303–316.[MR]
- John J. Cannon, Bruce C. Cox, and Derek F. Holt, Computing the subgroups of a permutation group, J. Symbolic Comput. 31 (2001), no. 1-2, 149–161.[MR]