1. Aamodt, A. (1991). A Knowledge-Intensive, Integrated Approach to Problem Solving and Sustained Learning. Doctoral Dissertation, University of Trondheim
2. Aben, M., van Someren, M. W. & Terpstra, P. (1992). Functional and Representational Integration in Knowledge Acquisition. Proc. International Machine Learning Conference, Workshop on “Computational Architectures for Supporting Machine Learning and Knowledge Acquisition” in Aberdeen
3. Althoff, K.-D. (1992). Eine fallbasierte Lernkomponente als integrierter Bestandteil der Moltke-Werkbank zur Diagnose technischer Systeme. Doctoral Dissertation, University of Kaiserslautern; also: Sankt Augustin (Germany): Diski 23, infix Verlag
4. Althoff, K.-D., Bergmann, R., Maurer, F., Wess, S., Manago, M., Auriol, E., Conruyt, N., Traphöner, R., Bräuer, M. & Dittrich, S. (1993). Integrating Inductive and Case-Based Technologies for Classification and Diagnostic Reasoning. Proc. ECML-93 Workshop on Integrated Learning Architectures (edited by E. Plaza)
5. Althoff, K.-D., Maurer, F. & Rehbold, R. (1990). Multiple Knowledge Acquisition Strategies in Moltke. In: B. J. Wielinga, J. Boose, B. Gaines et al. (eds.), Current Trends in Knowledge Acquisition (Proc. Ekaw-90). Amsterdam: IOS Press, 21–40