@book{56754,
	author = {Unger, Dieter. and SpringerLink (Online service)},
	title = {Lifts and Escalators},
	publisher = {Springer Berlin Heidelberg :},
	year = {2024.},
	address = {Berlin, Heidelberg :},
	edition = {1st ed. 2024.},
	url = {https://doi.org/10.1007/978-3-662-67822-0}
}