@inproceedings{sgem2017s20139,
  title = {URBAN ECOSYSTEMS FUNCTION AND SERVICES. CHALLENGES WITH REGARD TO THE ENVIRONMENTAL CONDITIONS},
  author = {Mila Chilikova-Lubomirova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Ecology, Economics, Education and Legislation},
  year = {2017},
  pages = {1063-1070},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/51/s20.139}
}