@inproceedings{sgem2019S17052,
  title = {CENTRAL AIRPORT IN POLAND - POLISH HUB IN THE GLOBAL AIR TRANSPORT SYSTEM},
  author = {J. Blachut},
  booktitle = {6th International Scientific Conference on Social Sciences and Arts SGEM 2019},
  year = {2019},
  pages = {443-448},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2019V/6.1/S17.052}
}