TY - Acta Geographica Sinica A1 - Chen Hang T1 - THE PRELIMINARY STUDIES OF AREAL COMBINATION AND DIVISION OF PORTS IN THE COASTLINE AREA Y1 - 1991-10-15 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 480 EP - 487 VL - 46 IS - 4 UR - {https://www.geog.com.cn/EN/10.11821/xb199104010} N1 - 10.11821/xb199104010 ER -