Permafrost degradation under an embankment of the Qinghai-Tibet Railway in the southern limit of permafrost
SUN Zhizhong, WU Guilong, YUN Hanbo, LIU Guojun, RUI Pengfei
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2014, (4): 767 -771 .  DOI: 10.7522/j.issn.1000-0240.2014.0092