Emissions of Parent, Nitro, and Oxygenated Polycyclic Aromatic Hydrocarbons from Residential Wood Combustion in Rural China - Shen, Guofeng; Tao, Shu; Wei, Siye; Zhang, Yanyan; Wang, Rong; Bin Wang; Wei Li; Shen, Huizhong; Ye Huang; Chen, Yuanchen; Chen, Han; Yang, Yifeng; et al. (Environmental Science & Technology, 2012)