地理学报(英文版)
Reconstruction of cultivated land during mid- Holocene in the middle and lower reaches of Yellow River and human impact on vegetations
HOU Guangliang, LAI Zhongping, XIAO Jingyi, E Chongyi
Journal of Geographical Sciences . 2012, (5): 933 -945 .  DOI: 10.1007/s11442-012-0974-6