TY - Journal of Yangtze River Scientific Research Institute A1 - WU Meng-na , ZHANG Hui-li T1 - Cryogenic Performance of PTN Bitumen Polyurethane Joint Materials Y1 - 2016-02-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 106 EP - 110 VL - 33 IS - 2 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20140797 ER -