[1997] | Smooth stable planes, Results Math. 31, 300--321. |
[1998] | Solvable collination groups of smooth projective planes, Beiträge zur Geometrie und Algebra 39, 121--133. |
[1995] | Flag-homogeneous compact connected polygons. Geom. Dedicata 55, No.1, 95-114. |
[1998] | Flag-homogeneous compact connected polygons II. Preprint. |
[1995] | Linear topological geometries, in: F. Buekenhout, ed.: Handbook of Incidence Geometry, Elsevier, 1995, pp 1255-1325. [Zbl 824.51011] |
[1994] | Translationsvierecke, Dissertation, Univ. Tübingen, Math. Fak. |
[1996] | Translation generalized quadrangles, Arch. Math. 67 No.3, 253-264. [Zbl 856.51004] |
[1995] | Projective planes and isoparametric hypersurfaces, Geom. Dedicata 58, no. 2, 193--202. |
[1994] | Compact polygons. Diss. Tübingen: Math. Fak. Univ. Tübingen vi, 72p. |
[1995] | Ends of surface geometries, revisited, Geometriae Dedicata 58, 175 - 183. |
[1998a] | Affine Hughes groups acting on 4-dimensional compact projective planes, Forum Math., to appear. |
[1998b] | Nonexistence of disjoint compact Baer subplanes, Arch. Math. 73 (1999), 235-240. Preprint 98/08, Technische Universität Braunschweig. |
[1997] | Large semisimple groups on 16-dimensional compact projective planes are almost simple Arch. Math. 68, 430--440. [Zbl 877.51014] |
[1998] | Large almost simple groups acting on 16-dimensional compact projective planes Monatsh. Math. (to appear). |
[1998] | Large automorphism groups of 16-dimensional planes are Lie groups J. of Lie Theory 8, 83 - 93. |
[1992] | Topologische Laguerreebenen und topologische Vierecke. Dissertation, Braunschweig. |
[1995] | Topological circle planes and topological quadrangles. Longman. |
[1998] | The automorphism group of a compact generalized polygon has finite dimension. Monatshefte Math. 127 (1999), 343--347. |