浅谈青藏高原多年冻土区铁路路基运营养护

牛东兴，牛怀俊

Preliminarily Discussion on the Operation and Maintenance of Railway Subgrade in Permafrost Region of Qinghai-Tibet Plateau

NIU Dong-xing, NIU Huai-jun

铁道工程学报 . 2008, (1): 41 -43 .