Яковлєв, В. В., and С. Н. Ананьев. 2013. “Global Fracturing of Yuzov Basin and Its Hydrogeological Significance”. Visnyk of V. N. Karazin Kharkiv National University. Series Geology. Geography. Ecology 39 (1084), 246-55. https://periodicals.karazin.ua/geoeco/article/view/7593.