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Wu, M. , Feroz, S. , Hagihara, A. , Xue, L. , Huang, Z.. "Comparative Studies on Vertical Stratification,Floristic Composition, and Woody Species Diversity of Subtropical Evergreen Broadleaf Forests Between the Ryukyu Archipelago, Japan, and South China". World Academy of Science, Engineering and Technology, Open Science Index 46, International Journal of Bioengineering and Life Sciences (2010), 4(10), 766 - 771.