P. H. Linh, T. D. Thanh, D. H. Manh, N. C. Thuan, L. V. Hong and N. X. Phuc, Fabrication and Magnetic Properties of Mn1 - xZnxFe2O4 (0 ≤ x ≤ 0.8) Nanoparticles, Comm. Phys. 19 (2009) 19–25. DOI: https://doi.org/10.15625/0868-3166/19/1/234.