%0 Journal Article
%T PRELIMINARY DETERMINATION OF AN ABRUPT CLIMATIC SHIFT AROUND 2.5 Ma IN NORTHERN CHINA<br>
%J 科学通报(英文版)
%D 1991
%I 
%K paleoclimate
%K loess-paleosol sequence
%K red clay<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=666934E0FD72BEADB54FA450F142B926&yid=116CB34717B0B183&vid=933658645952ED9F&iid=F3090AE9B60B7ED1&sid=7CD511FB1661A334&eid=7CD511FB1661A334&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=0