@inproceedings{sgem2018s28025,
  title = {DEVELOPMENT OF HEALTH TOURISM IN POLISH SPAS IN THE CONTEXT OF AIR POLLUTION, AN AGING POPULATION AND CHANGES IN BUSINESS MODELS},
  author = {Adam R. Szromek},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Ecology, Economics, Education and Legislation},
  year = {2018},
  pages = {199-206},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/5.3/s28.025}
}