1. Affine geometry over free unitary modules

   • Werner Leißner
   • Rainer Severin
   • Klaus Wolf

   OriginalPaper Pages: 101 - 120

2. Biaffine planes and divisible semiplanes

   • Peter Wild

   OriginalPaper Pages: 121 - 130

3. The geometrical structure in a generic generating space of a non-developable generalized ruled surface in the hyperbolic space H^m

   • Charles Thas

   OriginalPaper Pages: 131 - 146

4. On a model for non commutative geometric spaces

   • Jochen Pfalzgraf

   OriginalPaper Pages: 147 - 163

5. Co-isotropic submanifolds of a para-Cokählerian manifold with concircular structure vector field

   • Klaus Buchner
   • Radu Rosca

   OriginalPaper Pages: 164 - 177

6. Incidence structures of affine and protective types

   • Paola Biondi
   • Nicola Melone

   OriginalPaper Pages: 178 - 191

7. Semi-parallel surfaces in Euclidean space

   • Johan Deprez

   OriginalPaper Pages: 192 - 200