@book{68921,
	author = {Colegio24hs. and e-libro, Corp.},
	title = {Industrias químicas},
	publisher = {Colegio24hs,},
	year = {[2004?]},
	address = {[S.l.] :},
	url = {https://elibro.net/ereader/politecnicointernacional/33405}
}