北京郊区农田土壤中滴滴涕和六六六地球化学特征研究
刘晨 陈家玮 杨忠芳
Geochemical characteristics of DDT and HCH in　agricultural soil in the suburb of Beijing.
LIU Chen CHEN Jia-Wei YANG Zhong-Fang
地学前缘 . 2008, (5): 82 -89 .