1. A history of fine grained materials;Spriggs;Int. J. Refr. Metals & Hard Mater.,1995
2. Study of nanostructured WC-Co composites;Fang,1993
3. Application of fine grained tungsten carbide based cemented carbides;Prakash;Int. J. Refr. Metals & Hard Mater.,1995
4. McCandlish, L. E., Kear, B. H. & Bhatia, S. J., Spray conversion process for the production of Nanophase composite powders. US Patent 5,352,269.
5. General aspects and limits of conventional ultrafine WC powder manufacture and hard metal production;Schubert,1993