Distribution and Degradation of Permafrost in Xiao Hinggan Mountains along the Heihe-Dalian Highway
WANG Biao, SHENG Yu, LIU Jian-ping
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2001, (3): 312 -306 .  DOI: 10.7522/j.issn.1000-0240.2001.0053