兰州马衔山森林冻土环境演变研究

宋文绪, 张秀梅

A Study of Environmental Development of Forest Covered Frozen Soil Region on Mt. Maxian near Lanzhou

Song Wenxu, Zhang Xiumei

冰川冻土 . 1994, (1): 70 -74 . DOI: 10.7522/j.issn.1000-0240.1994.0010