1. Manufacturing engineering and technology;Kalpakjian,1989
2. The origin of the Cerec method: a personal review of the first 5 years;Mörmann;Int J Comput Dent,2004
3. CAD-CAM in dentistry;Duret;JADA,1998
4. Computer-aided design and manufacturing in dentistry: a review of the state of the art;Rekow;J Prosthet Dent,1987
5. The evolution of the CEREC system;Mörmann;JADA,2006