@inproceedings{sgem2019S19050,
  title = {THE NEW ERA OF SUSTAINABLE CITIES IN EASTERN EUROPE DEVELOPMENT PROBLEMS},
  author = {P. Sobierajewicz and B. Wojtyszyn},
  booktitle = {6th SWS International Scientific Conference on Social Sciences ISCSS 2019},
  year = {2019},
  pages = {399-406},
  publisher = {STEF92 Technology},
  doi = {10.5593/SWS.ISCSS.2019.5/S19.050}
}