1. C. Piconi, G. Maccauro, F. Muratori: J Appl Biomater Biomech. Vol. 1 (2003), pp.19-32.
2. R. C. Garvie, P. S. Nicolson: J Am Ceram Soc. Vol. 55(6) (1972), pp.303-305.
3. G. Pezzotti: J Raman Spectrosc. Vol. 30 (1999), pp.867-875.
4. G. Katagiri, H. Ishida, A. Ishitani and T. Masaki, Advances in Ceramics, vol. 24: Science and Technology of Zirconia Ш, 537-544 (1988).
5. [20] [40] [60] [80] 100 Accelerating time (hours).