1. On projective planes of order 12 with an automorphism of order 13

   • Zvonimir Janko
   • Tran van Trung

   OriginalPaper Pages: 257 - 284

2. Projective planes over rings of stable rank 2

   • Ferdinand D. Veldkamp

   OriginalPaper Pages: 285 - 308

3. Geometrische Realisierungen geschlossener Flächen mit wenigen Ecken

   • Christoph Schulz

   OriginalPaper Pages: 309 - 314

4. On translation planes containing Sz(q) in their translational complement

   • Wolfram Büttner

   OriginalPaper Pages: 315 - 327

5. Streckungstransitive affine Hjelmslev-Ebenen

   • Werner Seier

   OriginalPaper Pages: 329 - 336

6. Complex quadrics and spectral geometry

   • M. Barros
   • B. Y. Chen

   OriginalPaper Pages: 337 - 340

7. Eine bemerkung über Polaritäten eines verallgemeinerten Hexagons

   • Udo Ott

   OriginalPaper Pages: 341 - 345

8. A topological obstruction to the geodesibility of a foliation of odd dimension

   • David L. Johnson
   • A. M. Naveira

   OriginalPaper Pages: 347 - 352

9. On Steiner trees for bounded point sets

   • F. R. K. Chung
   • R. L. Graham

   OriginalPaper Pages: 353 - 361

10. Dirichletsche Zellenkomplexe mit maximaler Eckenzahl

    • J. Linhart

    OriginalPaper Pages: 363 - 367

11. Generalized spaces with many isometries

    • Z. I. Szabó

    OriginalPaper Pages: 369 - 383

12. Correction to ‘d-partition geometries’

    • Lynn Margaret Batten

    OriginalPaper Pages: 385 - 386