1. Mechanized Process Selection for Planning New Designs;Niebel;ASME paper,1965
2. Egelie K. A., AUTOPROS – Automated Process Planning System: Problem Definitions, Project History and Conclusions, in; Proceedings of CAM-I’s International CAM Seminar, 1975.
3. Weill R., Spur G. and Eversheim W., Survey of Computer-Aided Process Planning Systems, CIRP Annals-Manufacturing Technology, 1982.
4. Ham I., Lu S. C-Y., Computer-Aided Process Planning - The Present and the future, CIRP Annals-Manufacturing Technology, 1988.
5. Generative Computer Aided Process Planning for Part Manufacturing, doctoral thesis;van’t Erve,1988