JournalsemVol. 56, No. 3Volume 56, No. 3 (2001) Elemente der Mathematikpp. 89–94Another simple proof for the existence of the small Witt designHanfried LenzHans Havlicekpp. 95–101Triangle congruence and the Moulton planeRobert C. PowersPrasanna K. Sahoopp. 102–104A note on the St. Petersburg paradoxShrisha Raopp. 105–121Irrational rotations motivate measurable setsRodney Nillsenpp. 122–129On the principal centers of a triangleMichael S. Longuet-Higginspp. 130–134Aufgabenpp. 135–136Bücher und Computersoftware