TY - GEOGRAPHICAL RESEARCH A1 - YE Chao, CAI Yun-long T1 - Causes and effects of dualism between regional geography and systematic geography Y1 - 2012-05-20 00:00:00.0 JF - GEOGRAPHICAL RESEARCH JO - GEOGRAPHICAL RESEARCH SP - 771 EP - 781 VL - 31 IS - 5 UR - {https://www.dlyj.ac.cn/EN/10.11821/yj2012050001} N1 - 10.11821/yj2012050001 ER -