1. McKay K., Bramall D. Colquhoun P., Maropoulos P., 2001, CAPABLE Space: A distributed process planning environment, Proc. of the 8th European Conference on Concurrent Engineering, Valencia, Spain, 62-65.
2. VDI, 1999, VDI-Richtlinie 2218: Feature-Technologie (in German).
3. PDGL: A Language for Efficient Feature-Based Product Gestaltung;Krause;Annals of the CIRP,1991
4. Kikkawa K., and Mizugaki, M.H., 1996, Extraction of simultaneous assembly sequence based on assembly features, 28th CIRP Int. Sem. on Manuf. Syst., 119-123.
5. Geelink, R., Salomons, O.W., van Slooten, F., van Houten, F.J.A.M., Kals H.J.J., 1995: Unified Feature Definition for Feature Based Design and Feature Based Manufacturing Proc. Of the ASME Conference, 517-533.