1. Alexandra navrotsky., donald j. weidner. perovskite: a structure of great interest to geophysics and materials science, geophysical monograph series, 45(2013).
2. Zuo-guang ye. handbook of dielectric, piezoelectric and ferroelectric materials, synthesis, properties and applications, w. p. l. cambridgeEngland(2008).
3. G.H. haertling.,ferroelectric ceramics: history and technology,journal of american ceramic society, 82, (1999), 797–818.
4. A.S.bhalla · ruyanguo · rustum roy,4(2000)3-26.
5. Yuanbingmao, hongjunzhou, stanislaus s. wong,synthesis, 5.2, (2010)50.