2QIAO Yansong1,3, GUO Zhengtang2,1, HAO Qingzhen1, YIN Qiuzhen1, YUAN Baoyin1 & LIU Tungsheng1 1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China,2. Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China,3. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China.Grain-size features of a Miocene loess-soil sequence at Qinan: Implications on its origin[J].Science China Earth Sciences,2006,49(7):731-738. 被引量:35