@Article{isprs-annals-IV-4-49-2018,
AUTHOR = {Ghawana, T. and Aleksandrov, M. and Zlatanova, S.},
TITLE = {3D GEOSPATIAL INDOOR NAVIGATION FOR DISASTER RISK REDUCTION AND RESPONSE IN URBAN ENVIRONMENT},
JOURNAL = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {IV-4},
YEAR = {2018},
PAGES = {49--57},
URL = {https://isprs-annals.copernicus.org/articles/IV-4/49/2018/},
DOI = {10.5194/isprs-annals-IV-4-49-2018}
}