TY - Front. Environ. Sci. Eng. A1 - Yuan Chen, Shaodong Xie, Bin Luo T1 - Seasonal variations of transport pathways and potential sources of PM2.5 in Chengdu, China (2012–2013) Y1 - 2018-02-15 JF - Frontiers of Environmental Science & Engineering JO - Front. Environ. Sci. Eng. SP - 12 EP - VL - 12 IS - 1 UR - https://academic.hep.com.cn/fese N1 - 10.1007/s11783-018-1009-z ER -