1. 1. HT Shillingburg, S Hobo, and LD Whitsett : Fundamentals in Fixed Prosthodontics (ed 3 ). Chicago, Quintessence, 1997 , pp. 455
2. 2. RG Craig, and JM Powers (eds): Restorative Dental Materials (ed 11 ). St. Louis, Mosby, 2002 , pp. 566
3. Comparison of two heat-pressed all-ceramic dental materials
4. 4. RG Craig, and JM Powers (eds): Restorative Dental Materials (ed II), St. Louis, Mosby, 2002 , pp. 561 -564
5. Mechanical property evaluation of pressable restorative ceramics