Teilmengengraphen und projektive Räume.
Ternary linear codes and quadrics.
The cyclic -clans with .
The geometry of in translation planes of even order .
The geometry of GL(2,q) in translation planes of even order (Corrigendum).
The Mathieu group and its pseudogroup extension .
The maximum size of a partial spread in is .
The minimum rank problem over finite fields.
The nonexistence of certain projective planes of order 15.
The nonexistence of regular near octagons with parameters .
The Order of Points on the Second Convex Hull of a Simple Polygon.
The toric ideal of a matroid of rank 3 is generated by quadrics.
The Tutte group of projective spaces.
The universal embedding of the near polygon .
The valuations of the near octagon .
The valuations of the near polygon G.
Transitive Collineation Groups on Affine Planes.
Translation complements of C-planes: (IV).
Translation planes of even order in which the dimension has only one odd factor.
Translations and Axial Collineations of Affine Designs.