1. Arnold, M., & Fischer, R. (Eds.) (2004). Disziplinierungen. Kulturen der Wissenschaft im Vergleich [Disciplines. Sciences as cultures in comparison]. Wien: Turia & Kant.
2. Artigue, M., Bartolini-Bussi, M., Dreyfus, T., Gray, E., & Prediger, S. (2006). Different theoretical perspectives and approaches in research in mathematics education. In M. Bosch (Ed.), Proceedings of the 4th Congress of the European Society for Research in Mathematics Education (pp. 1239–1244). Barcelona: Fundemi IQS.
3. Arzarello, F., Bosch, M., Lenfant, A., & Prediger, S. (2008a). Different theoretical perspectives in research from teaching problems to research problems. In D. Pitta-Pantazi & G. Phillipou et al. (Eds.), Proceedings of the 5 th Congress of the European Society for Research in Mathematics Education (CERME 5) (pp. 1618–1627). Cyprus: ERME.
4. Arzarello, F., Bosch, M., Gascón, J., & Sabena, C. (2008b). The ostensive dimension through the lenses of two didactic approaches. ZDM—The International Journal on Mathematics Education, 40(2), 179–188.
5. Assude, T., Boero, P., Herbst, P., Lerman, S., & Radford, L. (2008). The notions and roles of theory in mathematics education research. Paper presented by the Survey Team at ICME 11. Mexico, 2008.