1. The Magma algebra system I: the user language;Bosma;J. Symb. Comput.,1997
2. A.E. Brouwer, H. van Maldeghem, Strongly regular graphs, in preparation.
3. Unter der Mathieugruppe vom Grad 24 invariante binäre;Buurman,2006
4. ATLAS of Finite Groups;Conway,1985
5. Sphere Packings, Lattices and Groups;Conway,1988