About CLEAR Calculus
Sealey, V. & Oehrtman, M. (2007). Calculus students’ assimilation of the Riemann integral into a previously established limit structure. In Lamberg, T., & Wiest, L. R. (Eds.). Proceedings of the 29th Annual Meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education, (pp. 78-83).