1. W. D. Jones, “Fundamental Principles of Powder Metallurgy”. 1960: London (Edward Arnold).
2. C. G. Goetzel, “Treatise on Powder Metallurgy”. 1949: New York and London (Interscience Publishers).
3. R. L. Sands and C. R. Shakespeare, “Powder Metallurgy Practice and Applica-tions”. 1966: London (George Newnes).