%0 Journal Article
%T A PRIMARY STUDY ON THE HISTORICAL CHANGE OF SONGNEN SANDY LAND<br>
%J 科学通报(英文版)
%D 1991
%I 
%K Songnen Sandy Land
%K date
%K historical change<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=2013470B55F3F0664685F00E5A07E1C1&yid=116CB34717B0B183&vid=933658645952ED9F&iid=B31275AF3241DB2D&sid=036D726259190A01&eid=036D726259190A01&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=0