1. CEREC Vitablocs Mark II Machinable Ceramic;Datzmann,1996
2. Structure and physical properties of Dicor/MGC Glass-ceramic;Grossman,1991
3. Chairside computer aided direct ceramic inlays;Mörmann;Quintessence Int.,1989
4. N. Martin, Materials and interfaces in computer-machined ceramic dental restorations. PhD thesis, The University of Liverpool, 1996.
5. Clinical evaluation of CAD/CAM ceramic restorations: 6-year report;Pallesen,1996