8Dong Deming, Fang Chunsheng, Xie Zhonglei, et al. Application of sampling and analytical quality control to determination of Mn in tea garden soils using chemical extraction [J]. Microchemical Journal, 2002,72:299-304.
9Hocine Bourennane, Francis Douay, Thibault Sterckeman, et al. Mapping of anthropogenie trace elements inputs in agricultural topsoil from Northern France using enrichment factors [J], Geoderma, 2010,157:165- 174.
10Chao Y C, Simpson R W, Mctainsh G H, et al. Source apportionment ofPM2.5 and PM10 aerosols in Brisbane (Australia) by receptor modeling [J]. Atmospheric Environment, 2000,33(19) 3251-3268.