3Wang Tiehang, Hu Changshun, Li Ning. Numerical Analysis on Ground Temperature in Qinghai-Tibet Plateau. Science in china, ser. E, 2002, 45(4) : 433 -443.
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9Wang Tiehang, Hu Changshun, Li Ning. Numerical Analysis on Ground Temperature in Qinghai - Tibet Plateau. Science in china, set. E, 2002, 45 (4) : 433 -443.