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高塬沟壑区董志塬沟头溯源侵蚀典型调查研究
陈绍宇,许建民,王文龙
The research on erosional types and process of head-cut on Dongzhiyuan of Loess Plateau
CHEN Shao-Yu ,
中国农学通报 . 2009, (9): 258 -263 .  DOI: 10.11924/j.issn.1000-6850.2009-0349