【作者】:Xu, X. and H. Tian 【题名】:Methane exchange between marshland and the atmosphere over China during 1949–2008 【期刊】:GLOBAL BIOGEOCHEMICAL CYCLES 【年、卷、期、起止页码】:VOL. 26, GB2006, 14 PP., 2012 【全文链接】:http://www.agu.org/pubs/crossref/2012/2010GB003946.shtml