Yudintsev, A. V., V. M. Trusova, G. P. Gorbenko, T. Deligeorgiev, A. Vasilev, and N. Gadjev. “Lanthanide Effect on Physicochemical Properties of Lipid Bilayer As Revealed by Indicator Dye Bromothymol Blue”. Biophysical Bulletin, Vol. 1, no. 20, June 2008, pp. 24-28, https://periodicals.karazin.ua/biophysvisnyk/article/view/1543.