1. Sets with convex closure which are unions of two starshaped sets and families of segments which have a 2-partition

   • Marilyn Breen

   OriginalPaper Pages: 1 - 23

2. An inequality for strongly resolvable designs

   • Rahul Mukerjee
   • Sanpei Kageyama

   OriginalPaper Pages: 24 - 28

3. Martin's theorem for Euclidean n-space and a generalization to the perimeter case

   • J. A. Lester

   OriginalPaper Pages: 29 - 35

4. Fundamentalsätze der metrischen Geometrie

   • Eberhard M. Schröder

   OriginalPaper Pages: 36 - 59

5. Tactical configurations derived from groups having a group of fixed point free automorphisms

   • James R. Clay
   • Helmut J. Karzel

   OriginalPaper Pages: 60 - 68

6. A new class of planar π-spaces and some related topics: (n,d)-systems and (σ,n)-spaces

   • P. V. Ceccherini
   • G. Tallini

   OriginalPaper Pages: 69 - 86

7. Zum Aussen- und Innengebiet von Quadriken

   • Maria Stary

   OriginalPaper Pages: 87 - 93

8. Fastalgebren mit zweiseitigem bzw. kommutativem Inzidenzgruppoid

   • Heinz Wähling

   OriginalPaper Pages: 94 - 101