@book {9783962452087, 
	title = "Railway Signalling and Interlocking, 3. Auflage",
	isbn = "9783962452087",
	edition = "3",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783962452087",
	url = "https://content-select.com/de/portal/media/view/5e2fff83-4670-4317-86c8-6fceb0dd2d03",
	publisher = "Global Rail Group",
}