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Affecting Factor Evaluation of Pinus bungeana Zucc.ex Endl.in Beijing Based on the Grey Correlation Analysis
SUN Zhongyuan, ZHOU Shan, LIU Qian, LI Weibing
Forest and Grassland Resources Research . 2015, (4): 166 -171 .  DOI: 10.13466/j.cnki.lyzygl.2015.04.029