@Article{isprs-annals-III-2-1-2016,
AUTHOR = {Li, S.},
TITLE = {PREFACE},
JOURNAL = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {III-2},
YEAR = {2016},
PAGES = {1--1},
URL = {https://isprs-annals.copernicus.org/articles/III-2/1/2016/},
DOI = {10.5194/isprs-annals-III-2-1-2016}
}