JournalsemVol. 64, No. 3Volume 64, No. 3 (2009) Elemente der Mathematikpp. 89–101An enduring errorBranko GrünbaumDOI 10.4171/EM/120pp. 102–108Curves of constant diameter and inscribed polygonsMathieu BaillifDOI 10.4171/EM/121pp. 109–121Families of irreptilesChristian RichterDOI 10.4171/EM/122pp. 122–128Power means with integer valuesRalph HøibakkDag LukkassenDOI 10.4171/EM/123pp. 129–134AufgabenDOI 10.4171/EM/124pp. 135–136RezensionenGerhard KnieperDOI 10.4171/EM/125