@inproceedings{sgem2009paper,
  title = {THE CAUSES AND EFFECTS OF GLOBAL WARMING},
  author = {F. A. Constantin and I. Loredana},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {147-154},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}