Werke:
- Education and information technologies : the official journal of the IFIP Technical Committee on Education
- Artificial intelligence tools in education : proceedings of the IFIP TC 3 Working Conference on Artificial Intelligence Tools in Education, Frascati, Italy, 26 - 28 May, 1987
- Education and technology for a better world : proceedings
- Advanced research on computers on education proceedings of the IFIP TC 3 International Conference on Advanced Research on Computers in Education : Tokyo, Japan, 18-20 July, 1990