Interannual Variation of the Beginning Date and the Ending Date of Soil Freezing in the Tibetan Plateau
GAO Rong, WEI Zhi-gang, DONG Wen-jie
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2003, (1): 49 -54 .  DOI: 10.7522/j.issn.1000-0240.2003.0007