"Magnetocrystalline anisotropy of Pr_n+1Co_3n+5B_2n -type compounds", Z. D. Zhang, C. H. Wu, X. K. Sun and Y. C. Chuang, Journal of Magnetism and Magnetic Materials 89 (1990) 173

"Magnetic properties of Gd₂Fe_14-xCo_xB compounds", Z. D. Zhang, X. K. Sun, Y. C. Chuang and F. R. de Boer, Journal of Magnetism and Magnetic Materials 89 (1990) 304

"Interpretation of the magnetocrystalline anisotropy of (Pr, Y)₂Fe₁₄B compounds by a new model based on the single-ion theory", Z. D. Zhang, X. K. Sun, Z. G. Zhao and Y. C. Chuang, Journal of Magnetism and Magnetic Materials 92 (1990) 191

"Effects of partial Co substitution for Fe on the magnetic properties of (Nd, Gd)₂Fe₁₄B compounds", Z. D. Zhang, X. K. Sun, Z. W. Wu, Y. C. Chuang and F. R. de Boer, Physica Status Solidi A 21 (1990) 241

"A model based on the single ion theory, part one: Theoretical outline", Z. D. Zhang, X. K. Sun, Y. C. Chuang, R. J. Radwanski and F. R. de Boer, Physica Status Solidi A 121 (1990) 611

"A model based on the single ion theory, part two: Preferential substitution and local-environment effects at different rare-earth sites in some (R,R')₂Fe₁₄B compounds", Z. D. Zhang, X. K. Sun, Y. C. Chuang, R. J. Radwanski and F. R. de Boer, Physica Status Solidi A 121 (1990) 617

"Room temperature magnetocrystalline anisotropies of R₂Fe₁₄C compounds (R = Lu, Gd, Nd) and R₂Fe₁₄B (R= Gd, Nd)", W. Liu, Z. D. Zhang, X. K. Sun, Y. C. Chuang, F. M. Yang and F. R. de Boer, Solid State Communications 76 (1990) 1375

"Magnetocolloid effects in petroleum and water", D. Y. Geng, X. K. Sun, Z. G. Zhao, Z. D. Zhang and Y. C. Chuang, MMM'90

"Magnetocolloid effects --- Improving actions of external magnetic field on the form of electric double layers", Z. D. Zhang, X. K. Sun, D. Y. Geng, T. Zhao, W. Liu, Z. G. Zhao and Y. C. Chuang, MMM'90