%0 Journal Article
%T Variation of CH_4 concentrations recorded in Dunde ice core bubbles<br>
%A Baiqing Xu
%A Tandong Yao
%A Lide Tian
%A J Chappellaz
%A <br>
%J 科学通报(英文版)
%D 1999
%I 
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=A73B5ABC188F4443F0665972CF8B2B78&yid=B914830F5B1D1078&vid=1AE5323881A5ECDC&iid=E158A972A605785F&sid=663FF78B2ADE7A2D&eid=663FF78B2ADE7A2D&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=2