1. O. Gilia, C. Hosserond, and D. Bouvard: Acta Mater., 2001, vol. 49, pp. 1413-20.
2. A. Petersson and J. Agren: in Proceedings Sintering 2003, R.G. Cornwall, R.M. German, and G.L. Messing, eds., Materials Research Institute, Pennsylvania State Univ., University Park, PA, 2003.
3. R. M. German, P. Suri, N. Erhardt and S. H. Chung: Adv. Powder Metall. Part. Mater., 2004, Part 5, pp. 41-50.
4. R. Bollina and R.M. German: Proc. PM 2004 Powder Metall. World Congress (Vienna, Austria), vol. 2, European Powder Metallurgy Assoc., Shrewsbury, UK, 2004, pp. 196–202.
5. C. M. Kipphut, A. Bose, S. Farooq and R. M. German: Metall. Trans., 1988, vol. 19A, pp. 1905-13.