@book{ 0-682361054, title = {Medien und Materialien: Tagungsband des AK Grundschule in der GDM 2011}, series = {Mathematikdidaktik Grundschule}, author = {Steinweg, Anna Susanne}, editor = {Steinweg, Anna Susanne}, address = {Bamberg}, publisher = {Univ. of Bamberg Press}, year = {2011}, isbn = {9783863090463}, isbn = {3863090462}, language = {German}, note = {Literaturangaben}, url = {http://nbn-resolving.de/urn:nbn:de:bvb:473-opus-3824}, url = {https://katalog.hgb-leipzig.de/Record/0-682361054} }