1. M. Yang, F. Pan, L. Cheng, J. Shen, Mater. Sci. Eng., A 512, 132 (2009)
2. B. Lv, J. Peng, Y. Peng, A. Tang, J. Magn. Alloys (2013) (in press)
3. M. Ping-li, Y. Jin-cheng, L. Zheng, D. Yang, J. Magn. Alloys (2013) (in press)
4. J. Zhang, W. Li, Z. Guo, J. Magn. Alloys (2013) (in press)
5. R. Li, F. Pan, B. Jiang, H. Dong, Q. Yang, Mater. Sci. Eng., A 562, 33 (2012)