@Article{amt-13-39-2020,
AUTHOR = {Wang, X. and Zhang, X. and Di, W.},
TITLE = {Development of an improved two-sphere integration technique for quantifying black carbon concentrations in the atmosphere and seasonal snow},
JOURNAL = {Atmospheric Measurement Techniques},
VOLUME = {13},
YEAR = {2020},
NUMBER = {1},
PAGES = {39--52},
URL = {https://amt.copernicus.org/articles/13/39/2020/},
DOI = {10.5194/amt-13-39-2020}
}