1. Aschbacher, M. (1978) Thin finite simple groups, J. Algebra
54, 50–152.
2. Aschbacher, M. (1986) Overgroups of Sylow subgroups in sporadic groups, Mern. Amer. Math. Soc.
343, 1–235.
3. Aschbacher, M. (1993) Simple connectivity of p-group complexes, Israel J. Math.
82, 1–42.
4. Delgado, A., Goldschmidt, D. and Stellmacher, B. (1987) Groups and Graphs: New Results and Methods, Birkhäuser, Basel.
5. Fong, P. and Seitz, G. (1973) Groups with a (B,N)-pair of rank 2, I, Invent. Math.
21, 1–57.