我国图们江地区开发的动态趋向及其图形演示

孙丽华, 杨青山

The Dynamic Trends and the Thematically Figured Representation of the Development of Tumen River Area

Sun Lihua, Yang Qingshan

人文地理 . 1993, (2): 35 -40 . DOI: 10.13959/j.i ssn.1003-2398.1993.02.005