1. “A Computer Aided Conceptual Design System of Machine”;Iwata;The Annals of CIRP,1990
2. Matsui, T, 1992, “Euslisp Reference Manual, version 7.27, ETL-RM 87-068. Technical Report-92-35.
3. “A Framework on Formalization of Design Object for Intelligent CAD”, Intelligent CAD, I;Onosato,1989
4. Onosato M. and Iwata K. 1992, “VirtualWorks: Building a Virtual Factory with 3-D Modelling and Object Oriented Programming Techniques”, Proc. WAC-INCOM92, 281-286.
5. “Modeling Time Information in Manufacturing”;Onosato;JSME-Int. Journal, Series III,1992