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Shaanxi Normal Univ, Inst Transport Geog & Spatial Planning, Northwest Land & Resources Res Ctr, Xian, Shaanxi, Peoples R China
Univ Minnesota, Humphrey Sch Publ Affairs, 301 19th Ave S, Minneapolis, MN 55125 USA Shaanxi Normal Univ, Inst Transport Geog & Spatial Planning, Northwest Land & Resources Res Ctr, Xian, Shaanxi, Peoples R China