Seasonal variations and source apportionment of atmospheric PM2.5-bound polycyclic aromatic hydrocarbons in a mixed multi-function area of Hangzhou, China - Hao Lu; Shengsheng Wang; Yun Li; Hui Gong; Jingyi Han; Zuliang Wu; Shuiliang Yao; Xuming Zhang; Xiujuan Tang; Boqiong Jiang (Environmental Science and Pollution Research, 2017)