1. The non-existence of rank three permutation group of degree 3250 and subdegree 57;Aschbacher;J. Algebra.,1971
2. Algebraic Graph Theory;Biggs,1974
3. Automorphic graphs and the Krein condition;Biggs;Geom. Dedic.,1976
4. Permutation groups and combinatorial structures, London Math. Soc. Lect. Note Ser;Biggs,1979
5. Groupes et algèbres de Lie;Bourbaki,1968