1. 1 Manfred Kahn , “Preparation of Small-Grained and Large-Grained Ceramics from Nb-Doped BaTiO3,” this issue, pp. 452-54.
2. 2 Manfred Kahn , “Influence of Grain Growth on Dielectric Properties of Nb-Doped BaTiO3,” this issue, pp. 455-57.
3. 3 D. W. Johnson , “Dielectric Relaxation in Strontium-Titanate-Rare-Earth-Titanate Solid Solutions”; Ph.D. Thesis, Pennsylvania State University, University Park, Pa., 1968.
4. Electrical Conductivity of Niobium-Doped Barium Titanate;Brown;J. Appl. Phys.,1964
5. Electrical Conduction Anomaly in Samarium-Doped Barium Titanate;Goodman;J. Amer. Ceram. Soc.,1963