The Impacts of Emission Control and Regional Transport on PM2.5 Ions and Carbon Components in Nanjing during the 2014 Nanjing Youth Olympic Games - Zhou, Derong; Bing Li; Huang, Xin; Virkkula, Aki; Wu, Haisuo; Zhao, Qiuyue; Zhang, Jie; Qiang Liu; Li Li; Li, Chunyan; Feng Chen; Yuan, Siyu; et al. (Aerosol and Air Quality Research, 2017)