@inproceedings{sgem2014s8090,
  title = {NEW DIGITAL CRACKMETER CONCEPT},
  author = {Maciej Wrona},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING},
  year = {2014},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2014/b21/s8.090}
}