1. Kundu, J., Pati, F., Shim, J.H., and Cho, D.W., Rapid Prototyping Technology for Bone Regeneration. Principles and Applications, Cambridge: Woodhead, 2014, pp. 254–284.
2. Popov, V.K., Komlev, V.S., and Chichkov, B.N., Calcium phosphate blossom for bone tissue engineering, Mater. Today, 2014, vol. 2, pp. 96–97.
3. Angelov, A.I., Levin, B.V., and Chernenko, Y.D., Phosphate Ore, Moscow, 2000, p. 120.
4. Wopenka, B. and Pasteris, J.D., A mineralogical perspective on the apatite in bone, Mater. Sci. Eng., 2005, vol. 25, no. 2, pp. 131–143.
5. Dorozhkin, S.V., Calcium orthophosphates, J. Mater. Sci., 2007, vol. 42, pp. 1061–1095.