1. Xiangchong Zhong: Reseach On Iron and Steel Vol. 6(2001), P. 1, in China.
2. Dongping Zhan, Zhouhua Jiang, and Wenzhong Wang: Refractories Vol. 4(2003), P. 230, in China.
3. W.B. Duan: Research and Application of MgAlON Composites(Tianjin University, Tianjin, 2008), in China.
4. T. Hosaka and M. Kato: Refractory Vol. 10(1985). P. 22.
5. Chengji Deng, Yanruo Hong, Xiangchong. Zhong, Jialin Sun: Refractories Vol. 1(2001), P. 4, in China.