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, Vol. 27 ›› Issue (1) : 68-74.
Causes,South Borderline and Subareas of Permafrost in Da Hinggan Mountains and Xiao Hinggan Mountains
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