TY - JOUR A1 - Beckenbach, Isabel A1 - Borndörfer, Ralf A1 - Knoben, Loes A1 - Kretz, David A1 - Uetz, Marc J. T1 - The S-Bahn Challenge in Berlin JF - OR News Y1 - 2015 UR - https://gor.uni-paderborn.de/index.php?id=362 IS - 53 SP - 10 EP - 14 ER -