Permafrost in the Middle-East Section of Qilian Mountains(Ⅱ):Characters of permafrost
WU Ji-chun, SHENG Yu, YU Hui, LI Jin-ping
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2007, (3): 426 -432 .  DOI: 10.7522/j.issn.1000-0240.2007.0061