Damerow, Peter External, Max Planck Institute for the History of Science, Max Planck Society;
Damerow, P. (1988). Abstraction and representation. In H.-G. Steiner, & A. Vermandel (Eds.), Foundations and methodology of the discipline mathematics education: (didactics of mathematics); proceedings of the 2. TME-Conference (pp. 248-261). [Antwerpen]: [Dept. of Didactics and Criticism, Antwerp Univ. u.a.].