TY - CPAPER AU - Miroslav Кrastanov AU - Rosen Nankin AU - Plamen Ivanov AU - Boyko Berov TI - HYDROCHEMICAL CHARACTERISTICS OF THE GROUNDWATER IN THE AREA OF ZELENKA, NORTHERN BULGARIAN BLACK SEA COAST T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining PY - 2020 SP - 585 EP - 592 DO - 10.5593/sgem2020/1.1/s02.072 PB - STEF92 Technology ER -