@inproceedings{sgem2014s11125,
  title = {THE USE OF GIS IN THE STUDY OF BUS LINES: THE CASE OF LISBON AND OPORTO METROPOLITAN AREAS},
  author = {Marco Painho},
  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/b23/s11.125}
}