Distribution and sources of polycyclic aromatic hydrocarbon compounds in topsoil of Beijing, China
ZHANG Zhihuan, LU Ling, HE Guangxiu, PENG Xuyang, ZHU Lei, WANG Xinwei, JIAO Xu
Ecology and Environment . 2011, (4): 668 -675 .  DOI: 10.16258/j.cnki.1674-5906(2011)04-0668-08