Your search returned 2 results.

1.
Sporadic groups by Aschbacher, Michael Publication: Cambridge Cambridge University Press 1994 Date: 1994 Availability: Items available: School of Theoretical Physics Library [512.7 ASC] (1),
2.
Finite group theory. by Aschbacher, Michael Publication: Cambridge Cambridge University Press 1986 Date: 1986 Availability: Items available: School of Theoretical Physics Library [512.7 ASC] (1),