Vuchic, Vukan R2023-05-222023-05-221969-04-012017-11-22https://repository.upenn.edu/handle/20.500.14332/34057flash_audioPosted with permission from Erich Schmidt Verlag.EngineeringSystems EngineeringTransportation EngineeringFahrplanstörungen ‑ zusätzliche Faktoren, betriebliche Maßnahmen | Schedule irregularities – additional factors and operational measuresArticle