1. Diagram geometries for sporadic groups;Buekenhout;Contemp. Math.,1985
2. F. Buekenhout (Ed.), Handbook of Incidence Geometry, Buildings and Foundations, Elsevier, Amsterdam, 1995.
3. On flag-transitive incidence geometries of rank 6 for the Mathieu group M12;Buekenhout,1998
4. F. Buekenhout, M. Dehon, D. Leemans, An Atlas of residually weakly primitive geometries for small groups, Mémorie Classe de Science, Colloqium 8, Ser. 3, Tome XIV, Acad. Roy, Belgique, 1999.
5. A (c· L*)- geometry for the sporadic group J2;Buekenhout;Geom. Dedicata,1998