委内瑞拉Tinaco-Anaco铁路有砟道床厚度研究
杨吉忠,韩义涛,潘自立
Research on the Ballast Depth in Tinaco-Anaco Railway Line
YANG Ji-zhong,HAN Yi-tao,PAN Zi-li
铁道工程学报 . 2013, (12): 33 -35 .