TY - Acta Geographica Sinica A1 - Yang Wuyang, Liang Jinshe T1 - THE DRAWING REGIONS, ITS MODELS AND DELIMITATION Y1 - 1985-04-15 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 97 EP - 108 VL - 40 IS - 2 UR - {https://www.geog.com.cn/EN/10.11821/xb198502001} N1 - 10.11821/xb198502001 ER -