1. E.F. Kneller, R. Hawig, IEEE Trans. Magn. 3588, 27 (1991)
2. W. Widanarto, M.R. Sahar, S.K. Ghoshal, R. Arifin, M.S. Rohani, M. Effendi, Mater. Lett. 289, 108 (2013)
3. H.B. Yang, Y. Lin, M. Liu, J.F. Zhu, F. Wang, Mater. Lett. 427, 92 (2013)
4. B. Li, C.Q. Wang, W. Zhang, C.J. Hang, J.M. Fei, H. Wang, Mater. Lett. 55, 91 (2013)
5. Y. Lin, H.B. Yang, Z.F. Zhu, F. Wang, Ceram. Int. 4679, 39 (2013)