1Terry T. Wohlers. Wohlers Report-Rapid Prototyping & Tooling State of the industry Annual Worldwide Progress Report. USA, 1998
2David L. Bourell, etc. Selective Laser Sintering of Metals and Ceramics. The International Journal of Power Metallurgy., 1992, 28(4):369~381
3Guohua Wu, Noshir A. Langrana, et al. Fabrication of Metal Components using FDMet.. Fused Deposition of Metals. Proc. of SFF Symposium. University of Texas at Austin, 1999:775~782
4Michaels S., Sachs E. M. ,et al. Metal Parts Generation by Three -Dimensional Printing. (in) Proc. of SFF Symposium. University of Texas at Austin, Texas: 1992:244~250
5L. E. Weiss, R. Merz. Shape Deposition Manufacturing of Heterogeneous Structure. Journal of Manufacturing Systems, 1997, 16(4):239~248
7Merz R,et al. Shape Deposition Manufacturing. Proc. of SFF Symposium. University of Texas at Austin, Texas:1994:15~29
8Lewis, Gary K., Lyons, Peter. Direct laser metal deposition process fabricates near-net-shape components rapidly. Materials Technology, 1995, 10(3):51~54