@Article{isprs-archives-XLI-B2-421-2016,
AUTHOR = {Liu, Z. and Li, Z.},
TITLE = {IMPACT OF SCHEMATIC DESIGNS ON THE COGNITION OF UNDERGROUND TUBE MAPS},
JOURNAL = {The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {XLI-B2},
YEAR = {2016},
PAGES = {421--423},
URL = {https://isprs-archives.copernicus.org/articles/XLI-B2/421/2016/},
DOI = {10.5194/isprs-archives-XLI-B2-421-2016}
}