Contamination and health risk assessment of heavy metals in road dust in Bayan Obo Mining Region in Inner Mongolia, North China
Kexin LI, Tao LIANG, Zhiping YANG, Zhiping YANG
Journal of Geographical Sciences . 2015, (12): 1439 -1451 .  DOI: 10.1007/s11442-015-1244-1