Enhancement in Particulate Organic Nitrogen and Light Absorption of Humic-Like Substances over Tibetan Plateau Due to Long-Range Transported Biomass Burning Emissions - Yujue Wang; Min* Hu; Lin, Peng; Tan, Tianyi; Mengren Li; Xu, Nan; Jing Zheng; Zhuofei Du; Yanhong Qin; Yusheng Wu; Sihua Lu; Yu Song; et al. (Environ. Sci. Technol., 2019)