@inproceedings{sgem2021s1203,
  title = {ANALYSIS OF HEAVY METAL POLLUTION IN THE PIRDOPSKA AND MEDETSKA RIVERS, TRIBUTARIES OF THE TOPOLNITSA RIVER, BULGARIA},
  author = {Kristina Gartsiyanova and Marian Varbanov and Atanas Kitev and Stefan Genchev},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems},
  year = {2021},
  pages = {17-26},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/3.1/s12.03}
}