@book{68984,
	author = {Colegio24hs. and e-libro, Corp.},
	title = {Logaritmos},
	publisher = {Colegio24hs,},
	year = {[2004?]},
	address = {[S.l.] :},
	url = {https://elibro.net/ereader/politecnicointernacional/33380}
}