@inproceedings{sgem2017s05040,
  title = {PRACTICAL CONSEQUENCES OF THE SITE NATURAL PERIOD EVALUATION IN NONLINEAR REGIME},
  author = {Stefan Florin Balan and Bogdan Felix Apostol and Dinu Bratosin},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining},
  year = {2017},
  pages = {319-326},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/14/s05.040}
}