兰州马衔山多年冻土特征与环境因素的关系
李作福, 李树德, 王银学
Regional Features of Permafrost in Mahan Mountain and Their Relationship to the Environment
冰川冻土 . 1993, (1): 83 -89 .  DOI: 10.7522/j.issn.1000-0240.1993.0013