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刘增力, 郑成洋, 方精云
Relationship between the vegetation type and topography in Mt. Xiaowutai, Hebei Province: a remote sensing analysis
LIU Zeng-Li, ZHENG Cheng-Yang, FANG Jing-Yun
生物多样性 . 2004, (1): 146 -154 .  DOI: 10.17520/biods.2004018