@book{1713,
	author = {Kelsen, Hans and e-libro, Corp.},
	title = {Teoría pura del derecho /},
	publisher = {Eudeba,},
	year = {2009.},
	series = {Derecho.},
	address = {Buenos Aires, Argentina :},
	url = {https://isae.metabiblioteca.org/cgi-bin/koha/opac-retrieve-file.pl?id=ec8927cfb3f535a17d00a92947b6f3af}
}