Zeile 42: |
Zeile 42: |
| * Michele Artigue, University of Paris-Diderot, France | | * Michele Artigue, University of Paris-Diderot, France |
| * Ferdinando Arzarello, University of Torino, Italy | | * Ferdinando Arzarello, University of Torino, Italy |
− | * [[Barbel Barzel]], University of Education, Freiburg, Germany | + | * [[Bärbel Barzel]], University of Education, Freiburg, Germany |
| * Marcelo Borba, Sao Paulo State University, Rio Claro, Brasil | | * Marcelo Borba, Sao Paulo State University, Rio Claro, Brasil |
| * Alison Clark-Wilson, London Knowledge lab, University of London, UK | | * Alison Clark-Wilson, London Knowledge lab, University of London, UK |
Zeile 65: |
Zeile 65: |
| * Luc Trouche, Institut National de Recherche Pèdagogique, Lyon, France | | * Luc Trouche, Institut National de Recherche Pèdagogique, Lyon, France |
| * [[Hans-Georg Weigand]], [[Universität Würzburg]], Germany | | * [[Hans-Georg Weigand]], [[Universität Würzburg]], Germany |
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| == Hauptvorträge == | | == Hauptvorträge == |