@inproceedings{sgem2021s20026,
  title = {EVENT APPROACH IN NATURE USE IS THE BASIS OF HISTORICAL AND GEOECOLOGICAL PERIODIZATION},
  author = {Liudmila Vampilova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation},
  year = {2021},
  pages = {205-212},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2021/5.1/s20.026}
}