1. Suggested Further Reading;Chemical Applications of Symmetry and Group Theory;2016-10-31
2. Ramification in the division fields of an elliptic curve;Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg;2003-12
3. Graphs with polynomial growth are covering graphs;Graphs and Combinatorics;1992-09
4. A note on bounded automorphisms of infinite graphs;Graphs and Combinatorics;1989-12
5. The action of nilpotent groups on infinite graphs;Monatshefte f�r Mathematik;1985-12