1. G.H. Beall, in: L.L. Hench, S.W. Frieman (Eds.), Advances in Nucleation and Crystallization in Glasses, Columbus Special publ. No. 5, Am. Ceram. Soc., 1971, p. 251
2. Glass Science and Technology;Beall,1983
3. E.D. Zanotto, in: M.C. Weinberg (Ed.), Nucleation and Crystallization in Liquids and Glasses, vol. 30, Am. Ceram. Soc., Westerville, OH, 1992, p. 65
4. An Introduction to Bioceramics;Kokubo,1993