Isomorphism Classification of t-Designs with Grouptheoretical Localisation Techniques Applied to some Steiner Quadrupel Systems on 20 Points (E. Haberberger, A. Betten, R. Laue), Congressus Numerantium 142 (2000), pp. 75-96.

A New Smallest Simple 6-Design With Automorphism Group A₄ (E. Haberberger, A. Betten, R. Laue), Congressus Numerantium 150 (2001), pp. 145-153.

To appear:

Genealogy of t-designs I (A. Betten, E. Haberberger, R. Laue).

last updated: April 26, 2002.