[1]史忠林,文安邦,严冬春,等.紫色土坡地侵蚀产沙过程的7Be法初探[J].山地学报,2013,(01):71. SHI Zhonglin,WEN Anbang,YAN Dongchun,et al.Indicating Erosion and Sediment Yielding Processes on Purple Soil Slopes Using 7Be Measurements[J].Mountain Research,2013,(06):71.