21世纪铁路以电力作为牵引动力改造的必要性
温建民,余心沪
NECESSITY OF REFORM RAILWAY TRACTION POWER BY USING ELECTRIC POWER SUPPLY IN 21st CENTURY
WEN Jian-min, YU Xin-hu
铁道工程学报 . 2001, (2): 77 -79 .