EN中文
Causes,South Borderline and Subareas of Permafrost in Da Hinggan Mountains and Xiao Hinggan Mountains
SUN Guang-You, YU Shao-Peng, WANG Hai-Xia
SCIENTIA GEOGRAPHICA SINICA . 2007, (1): 68 -74 .  DOI: 10.13249/j.cnki.sgs.2007.01.68