@book{1913,
	author = {Spiegel, Murray R. and Lipschutz, Seymour,},
	title = {Análisis vectorial /},
	publisher = {México, D.F.},
	year = {2011.},
	edition = {2a ed.},
	url = {https://isae.metabiblioteca.org/cgi-bin/koha/opac-retrieve-file.pl?id=99ca17dfac8df95b4b1f316e79369b0d}
}