%0 Journal Article %A Wang, Lei %A Wang, Jinggong %A Guo, Xiuping %A Liu, Aiqin %A An, Caixiu %A Liu, An %A Li, Zhiyong %T Characterization of Pahs in Different Sized Ashes Originated from Burning of Eight Bio-Fuels Across Beijing-Tianjin-Hebei, China %D 2019 %J , %V 2019 %N 1 %P 1-2 %@ 2214-4609 %R https://doi.org/10.3997/2214-4609.201902757 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.201902757