陕北黄土丘陵沟壑区聚落分布及形成机制研究--以延安市安塞县为例
Publisher: 国家哲学社会科学学术期刊数据库
E-ISSN: 1000-0275|36|5|883-889
ISSN: 1000-0275
Source: 农业现代化研究, Vol.36, Iss.5, 2015-01, pp. : 883-889
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Abstract