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Variation in Concentration and Sources of Black Carbon in a..:

Xu, Liang ; Zhang, Jian ; Sun, Xin...
Xu , L , Zhang , J , Sun , X , Xu , S , Shan , M , Yuan , Q , Liu , L , Du , Z , Liu , D , Xu , D , Song , C , Liu , B , Lu , G , Shi , Z & Li , W 2020 , ' Variation in Concentration and Sources of Black Carbon in a Megacity of China During the COVID-19 Pandemic ' , Geophysical Research Letters , vol. 47 , no. 23 , e2020GL090444 . https://doi.org/10.1029/2020GL090444.  , 2020