%0 Journal Article
%T STUDY OF CHEMICAL SPECIES OF ANOMALOUS IRIDIUM IN CRETACEOUS-TERTIARY (K-T) BOUNDARY CLAY LAYER~*<br>
%J 科学通报(英文版)
%D 1991
%I 
%K iridium species
%K K-T boundary<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=511B3763519927A900C994ECF0425651&yid=116CB34717B0B183&vid=933658645952ED9F&iid=5D311CA918CA9A03&sid=1C3BB0F444F5E427&eid=1C3BB0F444F5E427&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=0