@book{21763,
	author = {Perez, Asuncion Gomez},
	title = {Ontological engineering},
	publisher = {Springer Publishing Company},
	year = {2004},
	address = {London},
	url = {https://libgen.is/book/index.php?md5=F2703987583C64A5CB7F013B5F342235}
}