G. I. Kleto, A. I. Savchuk, V. Z. Tsalyi, V. G. Yur’ev, I. V. Doktorovich, “Photoelectric properties of $n$-TiO$_2$/$p$-Co$_{0.7}$Ni$_{0.3}$O heterostructures”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 40:4 (2014), 16–22; Tech. Phys. Lett., 40:2 (2014), 149–151
