1. ASTM B312-63T: Green Strength of Compacted Metal Powder Specimens.
2. G. Bockstiegel:Int. J. Powder Met., 1967, vol. 3, no. 1, pp. 29–37.
3. J. S. Hirschhorn:Introduction to Powder Metallurgy, p. 139, American Powder Metallurgy Institute, 1969.
4. E. Klar and W. M. Shafer:Int. J. Powder Met., 1969, vol. 5, no. 2, pp. 5–10.
5. E. Klar and W. M. Shafer:Int. J. Powder Met., 1969, vol. 5, no. 2, pp. 5–15.