Li, X., C. Gao, Z. Gao, and X. Zhang. 2020. “Atmospheric Boundary Layer Turbulence Structure for Severe Foggy Haze Episodes in North China in December 2016”. Environmental Pollution 264: 114726. doi:10.1016/j.envpol.2020.114726.

Li, Xin, Zhiqiu Gao, Yubin Li, Chloe Y. Gao, Jingzheng Ren, and Xiaoye Zhang. 2019. “Meteorological Conditions for Severe Foggy Haze Episodes over North China in 2016–2017 Winter”. Atmospheric Environment 199: 284-98. doi:10.1016/j.atmosenv.2018.11.042.