1. C.G. Mukira, in: A. Bose, R.J. Dowding (Eds.), Proceedings of the International Conference on Tungsten Refract Met-1994, MPIF, Princeton, NJ, 1994 (Pub. 1995), pp. 157–167.
2. W.E. Gurwell, in: A. Bose, R.J. Dowding (Eds.), Proceedings of the International Conference on Tungsten Refract Met-1994, MPIF, Princeton, NJ, 1994 (Pub. 1995), pp. 65–75.
3. O.A. Navac, D. Anton, T. Novac, PM’94, SF2M, EPMA, Paris, 1994, pp. 1113–1116.
4. M.Y. Cao, B.O. Rhee, C.I. Chung, in: L.F. Pease III, R.J. Sansoucy (Eds.), Advances in Powder Metallurgy, vol. 2, 1991, MPIF, Princeton, NJ, pp. 59–73.