Polycyclic aromatic hydrocarbons in topsoil of suburban Hangzhou
YU Guoguang, ZHANG Zhiheng, YE Xuezhu, SUN Caixia, YUAN Yuwei, YANG Guiling
Ecology and Environment . 2009, (3): 925 -928 .  DOI: 10.16258/j.cnki.1674-5906(2009)03-0925-04