Distribution and bio-ecological characteristics of Abies chensiensis, an endangered plant
ZHANG Wen-Hui, XU Xiao-Bo, ZHOU Jian-Yun, SUN Yu-Ling, XIE Zong-Qiang
Biodiv Sci . 2004, (4): 419 -426 .  DOI: 10.17520/biods.2004051