The rank 2 geometries of the simple Suzuki groups S z ( q ) . Leemans, Dimitri — 1998 Beiträge zur Algebra und Geometrie
A generalization of a construction due to Van Nypelseer. Leemans, Dimitri — 2005 Beiträge zur Algebra und Geometrie
Rank three residually connected geometries for M 22 , revisited. Leemans, Dimitri; Rowley, Peter — 2010 The Electronic Journal of Combinatorics [electronic only]
All geometries of the Mathieu group M 11 based on maximal subgroups. Buekenhout, Francis; Dehon, Michel; Leemans, Dimitri — 1996 Experimental Mathematics