1. World directory and handbook of hardmetals;Brookes,1987
2. A study of the effect of carbon content on the structure and properties of sintered WC–Co alloys;Gurland;Trans. Am. Inst. Min. Met. Eng.,1954
3. Uhrenius B. Phase equilibria and the sintering of cemented carbides. In: Proceedings of powder metallurgy world congress PM’94, vol 2. Les Ulis: Les Editions de Physique; 1994. p. 1443–50
4. A review of parameters influencing some mechanical properties of tungsten carbide-cobalt alloys;Exner;Powder Metall.,1970
5. Freytag J, Exner HE. The influence of tungsten and carbon additions on the sintering and the magnetic properties of WC-12Co cemented carbides. In: Hausner HH, Taubenblat PV, editors. Modern developments in powder metallurgy, vol. 10 Ferrous and non-ferrous P/M materials. Princeton: MPIF-APMI; 1977, p. 511–23