@inproceedings{sgem2018s06053,
  title = {VERTICAL STRUCTURE OF SOME POLLUTANT OVER BULGARIA - OZONE AND NITROGEN DIOXIDE},
  author = {Georgi Gadzhev},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th SGEM International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies},
  year = {2018},
  pages = {449-454},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018v/4.3/s06.053}
}