@book{55865,
	author = {Dirk Burghardt and Daniel A. Keim},
	title = {Volunteered Geographic Information},
	publisher = {Springer Nature},
	year = {2024},
	address = {Heidelberg, Germany},
	edition = {1st ed. 2024},
	url = {https://link.springer.com/openurl?genre=book&isbn=978-3-031-35374-1}
}