1. Beaman, J. and Deckard, C.R. (1987), “Solid freeform fabrication and selective powder sintering”,15th NAMRC, North American Manufacturing Research Conference Proceedings, pp. 636‐40.
2. Calcatelli, A., Bergoglio, M., Mohan, P., Spagnol, M. and De Simon, M. (1995), “Study of outgassing of sputter‐ion materials treated with three difference cleaning procedures”,Vacuum Proceedings of the 1995 13th International Vacuum Congress and the 9th International Conference on Solid Surfaces, Vol. 47 No. 6‐8, pp. 723‐6.
3. Das, S., Harlan, N., Beaman, J. and Bourell, D. (1996), “Selective laser sintering of high performance high temperature materials”,Solid Freeform Fabrication Symposium 1996 Proceedings, pp. 89‐95.
4. Das, S., Wohlert, M., Beaman, J. and Bourell, D. (1997), “Direct selective laser sintering and containerless hot isostatic pressing for high performance metal components”,Solid Freeform Fabrication Symposium 1997 Proceedings, pp. 81‐90.
5. Garke, B., Edelman, C. and Ehrt, M. (1996), “Influence of a glow discharge treatment on surface modification and outgassing rate of stainless steel and titanium”,Vacuum Proceedings of the 1995 1st International Workshop on Interaction of Gases With Solids Affecting Vacuum Processes, Magdeburg, Germany, May 28‐June 1, 1995, Vol. 47 No. 4, pp. 383‐90.