@inproceedings{sgem2009paper,
  title = {RELATIONSHIP OF SHALLOW SEISMIC REFRACTION RESULTS VERSUS LITHOLOGY IN A RAILWAY PROJECT PLAN (NW PORTUGAL)},
  author = {R. Moura and Ribeiro},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {693-700},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}