@inproceedings{sgem2018s28097,
  title = {STATISTICAL ANALYSIS OF THE RESEARCH AND DEVELOPMENT ACTIVITY OF THE CONSTRUCTION MATERIALS INDUSTRY IN EUROPE},
  author = {RUS, Mircea-Iosif},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Ecology, Economics, Education and Legislation},
  year = {2018},
  pages = {759-766},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/5.3/s28.097}
}