JournalsemVol. 64, No. 3Volume 64, No. 3 (2009) Elemente der Mathematikpp. 89–101An enduring errorBranko Grünbaumpp. 102–108Curves of constant diameter and inscribed polygonsMathieu Baillifpp. 109–121Families of irreptilesChristian Richterpp. 122–128Power means with integer valuesDag LukkassenRalph Høibakkpp. 129–134Aufgabenpp. 135–136Rezensionen