1. The isostrophisms of planar ternary rings Part II

   • Myron Anton

   OriginalPaper Pages: 1 - 15

2. Affine Klingenbergsche Strukturen

   • František Machala

   OriginalPaper Pages: 16 - 34

3. Über geschlossene Regelflächen im elliptischen Raum

   • Christoph Lübbert

   OriginalPaper Pages: 35 - 54

4. Surfaces of order three with a peak! I

   • Tibor Bisztriczky

   OriginalPaper Pages: 55 - 83

5. The transposition of locally compact, connected translation planes

   • Thomas Buchanan
   • Hermann Hähl

   OriginalPaper Pages: 84 - 92