Головина, И. С., В. П. Брыкса, В. В. Стрельчук, В. Е. Родионов, and В. В. Литвиненко. “Features of Phase Transitions in Nanosized Powders KTa0.7Nb0.3O3”. Journal of Surface Physics and Engineering, Vol. 10, no. 4, Oct. 2012, pp. 403 -10, https://periodicals.karazin.ua/pse/article/view/10160.