1. Achten, H. H. and Oxman, R. M.: 1998, Typological knowledge acquisition through a schema of generic representations, in J. S. Gero and F. Sudweeks (eds), Artificial Intelligence in Design ‘88, Kluwer, Dordrecht, The Netherlands (this volume).
2. Achten, H. H.: 1997, Generic Representations — An Approach for Modelling Procedural and Declarative Knowledge of Building Types in Architectural Design, Ph.D. Thesis, Eindhoven University of Technology, Eindhoven.
3. Bailey, I. (ed.): 1997, Requirements Specification for EXPRESS Mapping Language, ISO 10303 TC184/SC4/WG11 NO13, ISO, Geneva.
4. Bronsvoort, W. F. and Jansen, F. W.: 1993, Feature modelling and conversion: Key concepts to concurrent engineering, Computers in Industry, 21(1), 61–86.
5. Bronsvoort, W. F., Dohmen, M., Bidarra, R., Van Holland, W., and De Kraker, K. J.: 1996, Feature modelling for concurrent engineering, in Horváth and Váradi (eds), Proceedings International Symposium on Tools and Methods for Concurrent Engineering ‘86, Technical University of Budapest, Budapest, pp. 46–55.