GEOGRAPHICAL VARIATIONS IN THE MORPHOLOGY AND ANATOMY OF PINUS MASSONIANA
Jiang Shu & I Chen Yuewu(Nanjing Institute of Forestry) Zheng Ruhuang & Zhou Caigong
JOURNAL OF NANJING FORESTRY UNIVERSITY . 1985, (02): 29 -39 .  DOI: 10.3969/j.jssn.1000-2006.1985.02.003