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2. The experimental study on the treatment of subgrade diseases of Northeast railways in frozen soil region of China;Yi;Chin Railways,2005
3. Observation and experience of Russian railway in frozen soil region;Zhao;Subgrade Eng,2003
4. Geological prospecting for frozen earth subgrade diseases of Beijingbei-Tongliao Railway;Zhu;Railway Invest Survey,2006
5. Frozen soil physics;Xu,2001