1. R. J. Charles A. R. Achuta Ferrite Composite Containing Silver Metallization 1990
2. R. J. Charles A. R. Achuta Ferrite Body Containing Metallization 1991
3. The Technology of Electrode for Multilayer Chip Inductor (II)-Internal Conductor;Satoh;ibid
4. Effect of Ag on the Microstructure of the Low Temperature Sintered NiCuZn Ferrites;Nakano;ibid