1. 1) A. Hitomi, K. Koseki, K. Horino, J. Yamamatsu, T. Nomura: "Microstructure and Electrical Properties of SrTiO3 – based Ceramics", J. Jpn. Soc. Powder Powder Metallugy, 41 (1996) 1169-1174.
2. 2) K. Yanagisawa: "Preparation of Ceramic Powders by Hydrothermal Method", Journal of the Society of Inorganic Materials, Japan, 12 (2005) 486-491.
3. 3) Japanese Patent (A), S60-090825.
4. 4) Y. S. Malghe: "Nanosized SrTiO3 powder from oxalate precursor microwave aided synthesis and thermal characterization", Journal of Therm Anal Calorimetry, 102 (2010) 831-836.
5. 5) Japanese Patent (A), h09-194256.