@inproceedings{sgem2021s1940,
  title = {CLIMATOLOGY OF EXTREMELY HOT SPELLS IN BULGARIA (1961-2019)},
  author = {Krastina Malcheva and Liliya Bocheva and Hristo Chervenkov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies},
  year = {2021},
  pages = {237-244},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/4.1/s19.40}
}