1. T. Wohlers, Rapid prototyping state of the industry: 1997 worldwide progress report, RPA of SME, Dearborn, MI, 1997.
2. Y. Yongnian, Modern shaping-science and RP processes, Proceeding of INCOM'95 Beijing, Oct. 11–13, 1995, pp. 300–304.
3. D. Zhaohui, Study and development of patternless casting mold manufacturing directly driven by CAD model, PhD dissertation, Tsinghua University, Beijing, China, 1997.
4. Study of the state-of-the-art rapid prototyping technologies;Chua;Int. Journal of Advanced Manufacturing Technology,1998
5. Y. Yan, R. Zhang, Q. Lu, Z. Du, Study on multifunctional rapid prototyping manufacturing system (M-RPMS), will be published in Rapid Prototyping Journal, 1998.