Chemical speciation distribution of PM2.5-bound heavy metals in the air
FENG Xidan, DANG Zhi, LV Xuanwen, MING Caibing, TONG Yinglin, LI Jinghua
Ecology and Environment . 2011, (7): 1048 -1052 .  DOI: 10.16258/j.cnki.1674-5906(2011)06-07-1048-05