Evans, David (1985) The 7-modular representations of Janko's smallest simple group. Journal of Algebra, 96. pp. 35-44.
Siemons, Johannes and Wagner, Ascher (1985) On finite permutation groups with the same orbits on unordered sets. Archiv der Mathematik, 45 (6). pp. 492-500. ISSN 0003-889X
Siemons, Johannes and Funck, Rolf (1985) Predöhl's spatial expansion of J. A. Schumpeter's theoretical concepts. In: Fifth International Conference on Mathematical Modelling 1985. Berichte des Instituts für Wirtschaftsforschung und Wirtschaftspolitik, Universität Karlsruhe . University of California at Berkeley.