@inproceedings{sgem2020s02072,
  title = {HYDROCHEMICAL CHARACTERISTICS OF THE GROUNDWATER IN THE AREA OF ZELENKA, NORTHERN BULGARIAN BLACK SEA COAST},
  author = {Miroslav Кrastanov and Rosen Nankin and Plamen Ivanov and Boyko Berov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining},
  year = {2020},
  pages = {585-592},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2020/1.1/s02.072}
}