Edit Profile (opens in new tab) Hahn, O. Co-Author Distance Author ID: hahn.o Published as: Hahn, O. Documents Indexed: 2 Publications since 1961 Co-Authors: 2 Co-Authors with 2 Joint Publications 22 Co-Co-Authors Co-Authors 0 single-authored 2 Dzewas, Jürgen 1 Ellers, Erich Werner Serials 2 MNU. Der Mathematische und Naturwissenschaftliche Unterricht Fields Publications by Year