Гюльмамедов, Ч. Д. о. “Change of Hydrogeological Conditions OF Shirvan Steppe of Azerbaijan under the Influence of Anthropogenous Factors”. Proceedings of Voronezh State University. Series: Geology, no. 2, Jan. 2019, pp. 125-31, doi:10.17308/geology.2019.2/1800.