Sapwood/Heartwood Boundary Determine and Spatial Pattern of Trunk Liquid Transfer of the Picea crassifolia
CHANG Xue-xiang, ZHAO Wen-zhi, HE Zhi-bin, WANG Jin-feng
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2013, (2): 483 -489 .  DOI: 10.7522/j.issn.1000-0240.2013.0057