"Analysis of a magnetization process based on a two sublattice model", Z. D. Zhang, T. Zhao, X. K. Sun and Y. C. Chuang, Journal of Applied Physics 71 (1992) 3434

"Three different magnetization processes: FOMP, SOMP and QUASI-FOMP", T. Zhao, X. K. Sun, Z. D. Zhang, Q. Wang, Y. C. Chuang and F. R. de Boer, Journal of Magnetism and Magnetic Materials 104-107 (1992) 2119

"A low field peak emerging in the second order derivation curves of magnetization in a two sublattice system", T. Zhao, Z. D. Zhang, X. K. Sun and Y. C. Chuang, Journal of Magnetism and Magnetic Materials 117 (1992) 387

"Magnetization process in a two-sublattice system: I. Low field and effective anisotropy", Z. D. Zhang, T. Zhao, D. Y. Geng, X. K. Sun and Y. C. Chuang, Physica Status Solidi A 134 (1992) 201

"Manufacture of high coercive Sm-Fe-N magnets", Q. Wang, W. Liu, X. G. Zhao, L. B. Wang, D. Y. Geng, T. Zhao, Z. D. Zhang, C. H. Wu, X. K. Sun, H. Q. Ye and Y. C. Chuang, Proc. 2nd Inter. Symp. Phys. Magn. Mater., ed. Zhang Shougong, Beijing (1992) p.608

"Magnetization Process in a two-sublattice system: II. Phase diagram of second derivative of magnetization", Z. D. Zhang, T. Zhao, D. Y. Geng, X. K. Sun and Y. C. Chuang, Physica Status Solidi A 134 (1992) 475