1. Aitchison, L. (1960). A history of metals. New York, NY: Interscience Pub.
2. Anders, A. (2003). Tracking down the origin of arc plasma science-II. Early continuous discharges. IEEE Transactions on Plasma Science, 31(5): 1060–1069.
3. ANON. (1984). Soviet high-pressure physics research and applications. CIA Released Documents.
4. Backus, R., et al. (1998). Drawing, extruding, and upsetting. In C. Wick, et al. (Ed.), Tool and manufacturing engineers handbook (Vol. 2, 4th ed.). SME.
5. Beeley, P. (2001). Foundry technology (2nd ed.). Oxford: Butterworth-Heinemann.