Takács, Péter. „Theoretical Optimization of Tram Availibility for Daily Schedules (role of Public Transport and Trams in Budapest)“. Studia Mundi – Economica, Bd. 7, Nr. 3, September 2020, S. 86-96, https://doi.org/10.18531/Studia.Mundi.2020.07.03.86-96.