1. Oxide electrode materials of perovskite structure for the solid electrolyte;Hayami;Bull. Ind. Res. Inst. Osaka,1977
2. MANES, L., TOCI, F., MARI, C. M. and PIZZINI, S., Solid state oxygen sensor, UK Patent Application 2 104 666A.
3. Neodymium chromite doped with calcium chromite as an electrode for the oxygen sensors;Gilderman,1985
4. The employment of electrode materials on the basis of samarium and calcium chromite in the oxygen sensors;Gilderman,1985