@Article{isprs-archives-XL-7-W4-209-2015,
AUTHOR = {Zhai, L. and Sang, H. and Zhang, J. and An, F.},
TITLE = {Estimating the spatial distribution of PM$_{2.5}$ concentration by integrating geographic data and field measurements},
JOURNAL = {The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {XL-7/W4},
YEAR = {2015},
PAGES = {209--213},
URL = {https://isprs-archives.copernicus.org/articles/XL-7-W4/209/2015/},
DOI = {10.5194/isprsarchives-XL-7-W4-209-2015}
}