甘肃省耕地压力动态变化及空间差异分析

孙国军

Analysis of the dynamic change and spatial difference of cultivated land pressure in Gansu Province

SUN Guojun

冰川冻土 . 2015, (4): 1120 -1126 . DOI: 10.7522/j.issn.1000-0240.2015.0125