Zhao-hua Cheng, Bao-gen Shen, Bing Liang, Jin-xian Zhang, Fang-wei Wang, Shao-ying Zhang, Hua-yang Gong,
The change in magnetic anisotropy in R2Fe17-xAlx compounds (R=Sm or Tb) Journal of Physics: Condensed Matter. ,vol. 7, pp. 4707- 4712 ,(1995) ,
10.1088/0953-8984/7/24/010