R. Z. Sadykhov, L. M. Valiev, A. I. Akhmedov, “Magnetic and electric properties of $\mathrm{Ni}_{0.25}\mathrm{Cu}_{x}\mathrm{Fe}_{0.75-x}\mathrm{Cr}_{2}\mathrm{S}_{4}$”, Fizika Tverdogo Tela, 26:8 (1984), 2314–2316
Organisations
Institute of Physics of the Academy of Sciences of the Azerbaijan SSR