%0 Journal Article
%T LONG-TERM TREND AND SEASONAL CYCLE OF ATMOSPHERIC METHANE<br>
%J 科学通报(英文版)
%D 1990
%I 
%K atmospheric methane
%K seasonal variation
%K trace gas<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=29B83E18312153C94B80A8F2E61FAA02&yid=8D39DA2CB9F38FD0&vid=6209D9E8050195F5&iid=38B194292C032A66&sid=527AEE9F3446633A&eid=527AEE9F3446633A&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=1&reference_num=0