1980 年以来中国耕地利用集约度的结构特征
陈瑜琦, 李秀彬
Structural Change of Agricultural Land Use Intensity and Its Regional Disparity in China
CHEN Yuqi, LI Xiubin
地理学报 . 2009, (4): 469 -478 .  DOI: 10.11821/xb200904009