1. Existence and constructions of 2-designs S₃(2,3,v) without repeated blocks

   • Jean Van Buggenhaut

   OriginalPaper Pages: 1 - 10

2. Connections between projective geometry and superassociative algebra

   • Robert Seall

   OriginalPaper Pages: 11 - 33

3. Flatness of bisectors and the symmetry of distance

   • B. B. Phadke

   OriginalPaper Pages: 35 - 51

4. Metrische Räume mit Dreiseitverbindbaren

   • Wolfgang Nolte

   OriginalPaper Pages: 53 - 90