1. E.G. Zukas and H. Sheinberg:Powder Technol., 1976, vol. 13, pp. 85–96.
2. AMMRC SP;W.G. Northcutt,1977
3. J.W. O’Neil and P.N. Salyer: ASRL-TR-132-2, Air Force Office of Aerospace Research, United States Air Force, Boiling AFB, Washington, DC, Dec. 1965.
4. R.L. Woodward, J.M. Yellup, and M.E. de Morton:Met. Forum, 1983, vol. 6, pp. 175–89.
5. R.M. German and K.S. Churn:Metall. Trans. A, 1984, vol. 15A, pp. 747–54.