1. Mentioned by C. S. Smith in “History of Powder Metallurgy,” Powder Metallurgy, John Wulf (Ed.), Amer. Soc. Metals, Cleveland, p. 4 (1942).
2. G. Tammann and Q. A. Mansuri, Recrystallization of Metals and Salts, Z. anorg. u. allgem. Chem., 126, 119 (1923).
3. Horst Guido Müller, Nature of the Recrystallization Process—III, Research on Rock Salt Sintered Bodies, Z. Physik, 96, 324 (1935).
4. W. D. Jones, Powder Metallurgy, Longmans, Green & Co., New York (1937).
5. F. Sauerwald, Grain Growth in Metal Bodies Prepared from Powdered Materials by Sintering, Z. anorg. u. allgem. Chem., 122, 277 (1922).