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Precision Analysis on Tree Height and Stem Volume Measurements Using Electronic Theodolite
DU Pengzhi, ZENG Weisheng, FENG Zhongke, DI Wenbin, ZHOU Zeyuan, YANG Ying
Forest and Grassland Resources Research . 2016, (2): 45 -48 .  DOI: 10.13466/j.cnki.lyzygl.2016.02.009