1. J. L. Alperin, “Local representation theory”, Proc. Symposia Pure Math. 37 (1980), 364–384.
2. J. L. Alperin, “Weights for finite groups”, The Arcata Conference on Representations of Finite Groups, Proc. Symposia in Pure Math. 47 (1987), 369–379.
3. J. L. Alperin, P. Fong, “Weights for symmetric and general linear groups”, J. Alg. 131 (1990), 2–22.
4. T. Berger, “On the structure of a representation of a solvable group”, Vorlesungen aus dem Fachbereich Mathematik der Universität GHS Essen, Heft 12 (1985).
5. T. Berger, R. Knörr, “On Brauer’s height 0 conjecture”, Nagoya Math. J. 109 (1988), 109–116.