A study on the economic niche of land use theory and mechanisms of cropland conservation
ZHANG Xia, GE Xiang-dong, PU Li-jie, HUANG Xian-jin, PENG Bu-zhuo
JOURNAL OF NATURAL RESOURCES . 2002, (6): 677 -683 .  DOI: 10.11849/zrzyxb.2002.06.004