@book {9783962451820, title = "Stadtbahnsysteme / Light Rail Systems", editor = "VDV Verband Deutscher Verkehrsunternehmen, ", isbn = "9783962451820", edition = "1", keywords = "ÖPNV, Stadtbahn, gesetzliche Grundlagen", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783962451820", url = "https://content-select.com/de/portal/media/view/5af997a3-fca4-4cad-a7ad-7b36b0dd2d03", publisher = "Global Rail Group", language = "eng", }