JournalsemVol. 55, No. 3Volume 55, No. 3 (2000) Elemente der Mathematikpp. 93–94An Alternate Proof of Mason's TheoremNoah Snyderpp. 95–101On the Equations x^y = y^xYaakov S. KupitzHorst Martinipp. 102–109Triangle Centers Associated with RhombiFloor van Lamoenpp. 110–122Die Thue-Morse-FolgeJean-Christoph PuchtaJürgen Spilkerpp. 123–127Adding Units Mod nMarian Deaconescupp. 128–131Aufgabenpp. 132–134Bücher und Computersoftware