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泾河中游古耕作土壤的微形态特征研究
申朝瑞;庞奖励;黄春长
Micromorphological Features of Palaeocultivated Soil in Middle Reaches of Jinghe River
SHEN Chao-rui;PANG Jiang-li;HUANG Chun-chang
中国沙漠 . 2007, (2): 273 -277 .