G. I. Melikadze, M. S. Todadze, A. S. Tchankvetadze, A. B. Gventsadze, R. B. Chitanava, and M. V. Gaprindashvili, “Organization Stable Isotope Monitoring Network on the Territory of Georgia”, GGS, vol. 22, no. 2, Jan. 2020.