@article {910, title = {{\quotedblbase}Ton ab - erkl{\"a}r doch mal!"}, journal = {Mathematik differenziert}, volume = {1}, year = {2017}, pages = {22-27}, publisher = {Braunschweig}, address = {Westermann}, author = {Christof Schreiber and Rebecca Klose and Kromm, H.} }