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| − | | + | @article{Etzold2018a, |
| | + | Author = {Ulrich Kortenkamp and Heiko Etzold and Peter Mahns}, |
| | + | Journal = {Grundschulunterricht Mathematik}, |
| | + | Number = {1}, |
| | + | Pages = {13-17}, |
| | + | Publisher = {Cornelsen Verlag, M{\"u}nchen}, |
| | + | Title = {Mit Loops zu Loops - Mit Musik algorithmisches Denken f{\"o}rdern}, |
| | + | Year = {2018}} |
| | | | |
| | @article{Etzold2017b, | | @article{Etzold2017b, |