Abu-Hassan, M. I.; Abu-Hammad, O. A.; Harrison, A. (July 1998). "Strains and tensile stress distribution in loaded disc-shaped ceramic specimens. An FEA study". Journal of Oral Rehabilitation. 25 (7): 490–495. doi:10.1046/j.1365-2842.1998.00267.x. PMID9722094.
Abu-Hassan, M. I.; Abu-Hammad, O. A.; Harrison, A. (July 1998). "Strains and tensile stress distribution in loaded disc-shaped ceramic specimens. An FEA study". Journal of Oral Rehabilitation. 25 (7): 490–495. doi:10.1046/j.1365-2842.1998.00267.x. PMID9722094.