@Article{isprs-annals-IV-2-W5-533-2019,
AUTHOR = {Brovelli, M. A. and Guilbert, E.},
TITLE = {PREFACE – ISPRS WORKSHOP ON COLLABORATIVE CROWDSOURCED CLOUD MAPPING AND GEOSPATIAL BIG DATA (C3M&GBD 2019)},
JOURNAL = {ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {IV-2/W5},
YEAR = {2019},
PAGES = {533--534},
URL = {https://isprs-annals.copernicus.org/articles/IV-2-W5/533/2019/},
DOI = {10.5194/isprs-annals-IV-2-W5-533-2019}
}