首都圈易起沙土地的合理转型
姚华荣, 吴绍洪, 杨勤业
Conversion of Low Degree of Vegetation Cover Land Use in Region Around Beijing
YAO Huarong, WU Shaohong, YANG Qinye
地理科学进展 . 2003, (4): 409 -416 .  DOI: 10.11820/dlkxjz.2003.04.009