1. A new generalization of Moulton affine planes

   • Jan Jakóbowski

   OriginalPaper Pages: 243 - 253

2. A pencil in with three points at the boundary

   • Víctor González-Aguilera
   • Rubí E. Rodríguez

   OriginalPaper Pages: 255 - 265

3. On moving a sofa around a corner

   • Joseph L. Gerver

   OriginalPaper Pages: 267 - 283

4. Semi-regular divisible designs and Frobenius groups

   • Antonino Giorgio Spera

   OriginalPaper Pages: 285 - 294

5. Flocks of hyperbolic quadrics and linear groups containing homologies

   • Arrigo Bonisoli
   • Gábor Korchmáros

   OriginalPaper Pages: 295 - 309

6. Surfaces which contain helical geodesics

   • Michiko Tamura

   OriginalPaper Pages: 311 - 315

7. Automorphisms of hyperbolic domains inR ⁿ

   • Fabio Podestà

   OriginalPaper Pages: 317 - 327

8. On minor forms of Desargues and Pappus

   • M. W. Al-Dhahir
   • K. Ghalieh

   OriginalPaper Pages: 329 - 344

9. Submanifolds in pseudo-Euclidean spaces satisfying the condition Δx=Ax+B

   • Luis J. Alías
   • Angel Ferrández
   • Pascual Lucas

   OriginalPaper Pages: 345 - 354

10. Space tilings and local isomorphism

    • Charles Radin
    • Mayhew Wolff

    OriginalPaper Pages: 355 - 360