
Benz, C. & Maier, A. (2014). Children’s conceptual knowledge of triangels manifested in their drawings. In: Liljedahl, P., Oesterle, S., Nicol, C. & Allan, D. (Hrsg.), Proceedings of the Joint Meeting of PME 38 and PME-NA 36 (S. 153-160). Vancouver, Canada: PME.

Benz, C. & Maier, A. (2014). Children’s Constructions in the Domain of Geometric Competencies (in Two Different Instructional Settings). In: Kortenkamp, U., Brandt, B., Benz, C., Krummheuer, G., Ladel, S. & Vogel, R. (Hrsg.), Early Mathematics Learning – Selected Papers of the POEM Conference 2012 (S. 173-188). New York: Springer.
