A Study of the Stem Sap Flux of Populus euphratica in the Lower Reaches of Heihe River
ZHANG Xiao-you, KANG Er-si, ZHANG Zhi-hui, ZHANG Ji-shi
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2005, (5): 742 -746 .  DOI: 10.7522/j.issn.1000-0240.2005.0110