TY - PROGRESS IN GEOGRAPHY A1 - FENG Yongheng, ZHANG Shihuang, HE Fanneng, ZHOU Zhaoyuan T1 - Separate reconstruction of Chinese cropland grid data in the 20th century Y1 - 2014-11-25 00:00:00.0 JF - PROGRESS IN GEOGRAPHY JO - PROGRESS IN GEOGRAPHY SP - 1546 EP - 1555 VL - 33 IS - 11 UR - {https://www.progressingeography.com/EN/10.11820/dlkxjz.2014.11.011} N1 - 10.11820/dlkxjz.2014.11.011 ER -