JournalsemVol. 63, No. 4Elemente der MathematikVolume 63, No. 4 (2008)DOI: 10.4171/em | ISSN: 0013-6018 | eISSN: 1420-8962pp. 153–164Catalan numbers, primes, and twin primesChristian AebiGrant Cairnspp. 165–172A new line associated with the triangleMowaffaq HajjaMargarita Spirovapp. 173–183Géométrie plane: Une axiomatique centrée sur la distanceChristoph Solandpp. 184–188An interesting consequence of the Heisenberg constructionB. Surypp. 189–193Aufgabenpp. 194–196Rezensionen
