兰州马衔山冻土问题的初步探讨

郭东信

PRELIMINARY APPROACH TO THE EXISTENCE OF PERMAFROST IN MAHAN MOUNTAIN AREA, LANZHOU

Guo Dongxin

冰川冻土 . 1982, (4): 63 -66 . DOI: 10.7522/j.issn.1000-0240.1982.0052