1. J. D. Bradley and R. T. Curtis, Symmetric generation and existence of J3 : 2, the automorphism group of the third Janko group, J. Algebra 304 (2006), no. 1, 256–270.[MR]
  2. J. D. Bradley and R. T. Curtis, Symmetric generation and existence of McL : 2, the automorphism group of the McLaughlin group, Comm. Algebra 38 (2010), no. 2, 601–617.[MR/doi]
  3. J. D. Bradley and P. E. Holmes, Improved bounds for the spread of sporadic groups, LMS J. Comput. Math. 10 (2007), 132–140 (electronic).[MR]