TY - JOUR A1 - Vollmer, Michael A1 - Nordmeier, V. T1 - A long tradition of in-service training for physics teachers by the German Physical Society T2 - In: International newsletter on physics education / International Commission on Physics Education, International Union of Pure and Applied Physics 58 (2009), p. 3-4 Y1 - 2013 UR - https://opus4.kobv.de/opus4-fhbrb/frontdoor/index/index/docId/401 SP - 3 EP - 4 ER -