1. ARTZY, R.: Linear Geometry. Reading, Addison-Wesley 1974.
2. ARTZY, R.: A Pascal theorem applied to Minkowski geometry. J. Geometry 3 (1973), 93–102.
3. ARTZY, R.: Addendum to “A Pascal theorem applied to Minkowski geometry”. J.Geometry 3 (1973), 103–105.
4. BENZ, W.: Permutations and plane sections of a ruled quadric. Symposia Math. 5 (1971), 325–339.
5. BENZ, W.; MAURER, H.: Uber die Grundlagen der Laguerre-Geometrie. Ein Bericht. Jahresbericht d. DMV 67 (1964), 14–42.