A STUDY ON THE DENSITY EFFECT LAW OF THE SOUTHERN TYPE POPLARS
Cao Fuliang Xu Xizeng Lu Shixmg Huang Minren Fang Shengzhou
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1991, (03): 12 -19 .  DOI: 10.3969/j.jssn.1000-2006.1991.03.003