@inbook{65654,
  author       = {{Aebli, Hans and Scharlau, Ingrid}},
  booktitle    = {{Kindlers Literatur Lexikon (KLL)}},
  isbn         = {{9783476057280}},
  publisher    = {{J.B. Metzler}},
  title        = {{{Piaget, Jean: Le développement des quantités physiques chez l'enfant}}},
  doi          = {{10.1007/978-3-476-05728-0_16045-1}},
  year         = {{2020}},
}

@inbook{65652,
  author       = {{Aebli, Hans and Scharlau, Ingrid}},
  booktitle    = {{Kindlers Literatur Lexikon (KLL)}},
  isbn         = {{9783476057280}},
  publisher    = {{J.B. Metzler}},
  title        = {{{Piaget, Jean: La naissance de l'intelligence chez l'enfant}}},
  doi          = {{10.1007/978-3-476-05728-0_16044-1}},
  year         = {{2020}},
}

@inbook{65653,
  author       = {{Scharlau, Ingrid}},
  booktitle    = {{Kindlers Literatur Lexikon (KLL)}},
  isbn         = {{9783476057280}},
  publisher    = {{J.B. Metzler}},
  title        = {{{Piaget, Jean}}},
  doi          = {{10.1007/978-3-476-05728-0_16043-1}},
  year         = {{2020}},
}