@inproceedings{sgem2013s10022,
  title = {UPDATING TOPOGRAPHIC MAPS AND ORTHOPHOTOPLANS BY DIGITAL PHOTOGRAMMETRY USING AERIAL AND SATELLITE IMAGERY},
  author = {Student Vanya Petrova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING},
  year = {2013},
  pages = {711 - 718 pp},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2013/bb2.v2/s10.022}
}