@Article{isprs-archives-XLII-4-603-2018,
AUTHOR = {Sun, X.},
TITLE = {MULTILEVEL SEMANTIC MODELLING OF URBAN BUILDING SPACE BASED ON THE GEOMETRIC CHARACTERISTICS IN 3D ENVIRONMENT},
JOURNAL = {The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {XLII-4},
YEAR = {2018},
PAGES = {603--607},
URL = {https://isprs-archives.copernicus.org/articles/XLII-4/603/2018/},
DOI = {10.5194/isprs-archives-XLII-4-603-2018}
}