TY - Acta Geographica Sinica A1 - Dong Yuxiang T1 - ASSESSMENT ON THE REGIONALIZATION OF HAZARD DEGREE OF SANDY DESERTIFICATION DISASTER IN NORTHERN CHINA Y1 - 1997-03-15 00:00:00.0 JF - Acta Geographica Sinica JO - Acta Geographica Sinica SP - 146 EP - 153 VL - 52 IS - 2 UR - {https://www.geog.com.cn/EN/10.11821/xb199702007} N1 - 10.11821/xb199702007 ER -