1. Arcà, M.: Strategies for categorizing change in scientific research and in children’s thought. Human Development, 27, 335–341, 1984.
2. Arcà, M., Guidoni, P.: Scientific knowledge, cognitive development and basic science education. Proceedings of the USA-Italy joint seminar on elementary school science education. 1983, Frascati, Roma, pp. 29–41. CEDE Roma 1984.
3. Arcà, M., Guidoni, P., Mazzoli, P.: Structures of understanding at the root of science education: Part I: Experience, language and knowledge. Eur. Jour. Sci. Ed., 5, 367–375, 1983; Part II: Meaning for formalization. Eur. Jour. Sci. Ed., 6, 335–341, 1984.
4. Bereiter, C.: Toward a solution of the learning paradox. Summer, 55, 2, 201–226, 1985.
5. Caravita, S.: [Chapter in this Book]