TY - Tropical Geography A1 - Chen Chao-fan T1 - A STUDY ON THE SOILS OF THE YUNCHENG BASIN Y1 - 1993-10-30 00:00:00.0 JF - Tropical Geography JO - Tropical Geography SP - 344 EP - 350 VL - 13 IS - 4 UR - {https://www.rddl.com.cn/EN/Y1993/V13/I4/344} N1 - ER -