Techniques for Prethawing Permafrost:Review and Prospect
HAO Jia-qian, JI Yan-jun, HE Nai-wu, WEI Zhi, YANG Si-zhong, HE Rui-xia, JIN Hui-jun
JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY . 2007, (4): 645 -652 .  DOI: 10.7522/j.issn.1000-0240.2007.0092