1. J.L. Maxwell, J. Pegna, D. Messia, and D. DeAngelis: in Solid Freeform Fabrication Proceedings, The University of Texas at Austin, Austin, TX, 1996, pp. 227–37.
2. O. Lehmann and M. Stuke: Science, 1996, vol. 270, pp. 1644–46.
3. E.T. Wallenberger: Science, 1995, vol. 267, pp. 1274–75.
4. G. Zong, R. Carnes, H.G. Wheat, and H.L. Marcus: in Solid Freeform Fabrication Proceedings, The University of Texas at Austin, Austin, TX, 1990, pp. 83–90.
5. B.R. Birmingham, J.V. Tompkins, and H.L. Marcus: in Solid Freeform Fabrication Proceedings, The University of Texas at Austin, Austin, TX, 1994, pp. 290–301.