1. Friction and deformation of MnZn ferrite single crystals;Tanaka,1976
2. Scratching experiments on various ceramic materials;van Groenou;Philips Res. Rep.,1975
3. Dielectrics and Waves;von Hippel,1954
4. Introduction to Ceramics;Kingery,1976
5. Introduction to Ceramics;Kingery,1976