@book{54057,
	author = {Staab, Steffen},
	title = {Handbook on ontologies :},
	publisher = {Springer,},
	year = {2009},
	address = {Berlin :},
	edition = {2nd ed.},
	url = {https://link.springer.com/book/10.1007/978-3-540-92673-3}
}