DIN CEN/TS 15531-5-2011 公共交通设施.公共交通运输业务相关的即时信息服务接口.第5部分:功能服务接口.情况交流;英文版CEN/TS 15531-5-2011
Public transport - Service interface for real-time information relating to public transport operations - Part 5: Functional service interfaces - Situation Exchange; English version CEN/TS 15531-5:2011