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