1. Ceramic materials for electronics;Buchman,1986
2. Recent progress in the fabrication of ceramic negative temperature coefficient thermistors
3. Battault T. Céramiques semi-conductrices à base de manganites, de fer, nickel et cobalt. Application aux thermistances à coefficient de température négatif (C.T.N), Thesis of University Paul Sabatier, Toulouse, 1995.
4. Semiconducting temperature sensors and their applications;Sache,1975
5. Formation, densification, and electrical conductivity of air-sinterable YCr1−xMgxO3 prepared by hydrazine merthod;Tachiwaki;International Journal of Inorganic Materials,2001