1. K.M. Rozin and B.N. Finkelshtein: DAN SSSR, 1953, vol. 91, pp. 811–21.
2. T.S. Kê and C.M. Wang: Sci. Sinica, 1955, vol. 4, pp. 501–18.
3. T.S. Kê and C.T. Tsien: Sci. Sinica, 1956, vol. 5, pp. 625–43.
4. V. Kandarpa and J.W. Spretnak: Trans. TMS-AIME, 1969, vol. 24, pp. 1439–42.
5. S.-J. Lee, J. Kim, S.N. Kane, and B.C. De Cooman: Acta Mater., 2011, vol. 59, pp. 6809–19.