%% -*-BibTeX-*- @InProceedings{Stroth1996a, author = "Gernot Stroth", editor = "K. T. Arasu and J. F. Dillon and K. Harada and S. Sehgal and R. Solomon", booktitle = "Groups, Difference Sets, and the Monster, Proc. of the Ohio State group theory conference 1993", title = "{Sporadic geometries}", publisher = "deGruyter", address = "Berlin", pages = "99--116", year = "1996", language = "English", }