Permafrost along National Highway 214 and its engineering geological condition evaluation
CHEN Ji, FENG Ziliang, SHENG Yu, CAO Yuanbing, FANG Jianhong
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2014, (4): 790 -801 .  DOI: 10.7522/j.issn.1000-0240.2014.0095