Oxygen nonstoichiometry and electrical properties of phases La1.6Ca0.4Ni1-y(Fe, Cu)yO4+δ / D. M. Zakharov et al. // Mendeleev Congress on General and Applied Chemistry (26-30 September, 2016, Ekaterinburg) : Abstract book in 5 volumes / Ural Branch of the Russian Academy of Sciences, I. Ya. Postovsky Institute of Organic Synthesis [et al.]. - Vol. 2b : Chemistry and Technology of Materials and Nanomaterials. - Ekaterinburg, 2016. - P. 205.