Geochemistry of natural waters of the Baydar valley (Crimean Peninsula)Larisa A. Nichkova, Dmitry A. Novikov, Anatoliy V. Chernykh, Fedor F. Dultsev, Galina A. Sigora and Tamara Yu. KhomenkoE3S Web Conf., 98 (2019) 01036DOI: https://doi.org/10.1051/e3sconf/20199801036