1. D. Ratner Buddy, S. Hoffman, F. Schoen, J. Lemons, Biomaterials Science, An introduction to materials in medicine, Academic Press, 1996.
2. P. Berce, M. Ancau, N. Balc, C. Caizer, S. Comsa, H. Chezan, Rapid Prototyping Manufacturing, Editura Tehnica, Bucharest 2000, pg.20-30.
3. W. Schatt, K.P. Wieters, Powder Metallurgy – Processing and materials EPMA, 1997.
4. N. Patel, S.M. Best, I.R. Gibson, K.A. Bonfield, Preparation and characterization of hydroxiapatite and carbonate substituted hydroxyapatite. granules, Bioceramics 13, pg 192-195, 2001.