TY - Sciences in Cold and Arid Regions A1 - QingZhi Wang, BoWen Tai, ZhenYa Liu, JianKun Liu T1 - Study on the sunny-shady slope effect on the subgrade of a high-speed railway in a seasonal frozen region Y1 - 2015-10-01 JF - Sciences in Cold and Arid Regions JO - Sciences in Cold and Arid Regions SP - 513 EP - 519 VL - 7 IS - 5 UR - http://www.scar.ac.cn N1 - 10.3724/SP.J.1226.2015.00513 ER -