Draft Document - Railway applications - Communication, signalling and processing systems - European rail traffic management system - Definition of track-side objects in addition to cab-signalling; German version FprEN 50517:2008
文件草案——铁路应用——通信、信号和处理系统——欧洲轨道交通管理系统——除驾驶室信号外的轨道旁物体的定义;德文版FprEN 50517:2008