@article{046253c916ed45ca844990f072dd8e78,
title = "Variation in Concentration and Sources of Black Carbon in a Megacity of China During the COVID‐19 Pandemic",
keywords = "COVID-19 lockdown, black carbon, source",
author = "Liang Xu and Jian Zhang and Xin Sun and Shengchen Xu and Meng Shan and Qi Yuan and Lei Liu and Zhenhong Du and Dantong Liu and Da Xu and Congbo Song and Bowen Liu and Gongda Lu and Zongbo Shi and Weijun Li",
year = "2020",
month = dec,
day = "16",
doi = "10.1029/2020GL090444",
language = "English",
volume = "47",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "American Geophysical Union",
number = "23",
}