TY - Journal of Geographical Sciences A1 - ZHAO Jingbo, CHEN Baoqun, YUE Yingli, DU Juan T1 - Karst subzone division in vertical cycle zone and its significance Y1 - 2006-12-25 00:00:00.0 JF - Journal of Geographical Sciences JO - Journal of Geographical Sciences SP - 472 EP - 478 VL - 16 IS - 4 UR - {https://www.geogsci.com/EN/10.1007/s11442-006-0411-9} N1 - 10.1007/s11442-006-0411-9 ER -