Zhang, Cheng [Aerosol Chemical Characteristics for Different Air Pollution Levels in North Suburban Nanjing]. [electronic resource] - Huan jing ke xue= Huanjing kexue Dec 2017 - 4932-4942 p. digital Publication Type: English Abstract; Journal Article ISSN: 0250-3301 Standard No.: 10.13227/j.hjkx.201705020 doi