@inproceedings{sgem2021s1958,
  title = {STUDY OF THE INFLUENCE OF THE NORTH-ATLANTIC OSCILLATION ON THE SNOW COVER CONDITIONS IN BULGARIA},
  author = {Dimitar B. Nikolov and Cvetan Dimitrov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies},
  year = {2021},
  pages = {345-352},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/4.1/s19.58}
}