TY - Acta Geographica Sinica A1 - T1 - Y1 - 2014-09-17 14:16:46.54 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 1391 EP - 1391 VL - 69 IS - 9 UR - {https://www.geog.com.cn/EN/Y2014/V69/I9/1391} N1 - ER -