1. Effect of B2O3 and Nb2O5 on the Sintering and Stability of ZrO2-Based Solid Solutions;Sazonova;Izv. Akad. Nauk. SSSR Neorg. Mater.,1976
2. Sintering of Zircon and Zirconia with the Aid of Certain Additive Oxides;Hvatt;Am. Ceram. Soc. Bull.,1957
3. Sintering Theories and Industrial Practice
4. Phase Analysis in Zirconia Systems;Garvie;J. Am. Ceram. Soc.,1972