The relation of crown structure with poplar canker under different stand density
HUANG Fenglong,,, JIAO Yijie, DING Hui, FAN Junfeng, LIANG Jun*
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2010, (04): 79 -82 .  DOI: 10.3969/j.jssn.1000-2006.2010.04.018