1. D.M. Keicher and J.E. Smugeresky: JOM, 1997, vol. 49 (5), pp. 51–54.
2. D.M. Keicher, W.D. Miller, J.E. Smugeresky, and J.A. Romero, Laser Engineered Net Shaping (LENS): Beyond Rapid Prototyping to Direct Fabrication, TMS-AIME, Warrendale, PA, 1998, pp. 369–77.
3. J.E. Smugeresky and D.M. Keicher: Laser Engineered Direct Fabrication/Manufacturing of Metals, Lasers in Surface Engineering ASM INTERNATIONAL, Metals Park, OH, 1998, pp. 505–21.
4. P.W. Fuerschbach: Suppl. Welding J., 1996, pp. 24–34.
5. P.W. Fuerschbach: The Metal Science of Joining Proc., TMS, Warrendale, PA, 1992, pp. 21–29.