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Lei Y, Shen Z, Zhang T, Lu D, Zeng Y, Zhang Q, Xu H, Bei N, Wang X, Cao J. High time resolution observation of PM2.5 Brown carbon over Xi'an in northwestern China: Seasonal variation and source apportionment. Chemosphere. 2019 Dec;237():124530. doi: 10.1016/j.chemosphere.2019.124530. PMID: 31549650. |