@book{1858,
	author = {Pazos, Alejandro A. and García Fronti, Matías S},
	title = {Microsoft Excel para contadores 2004},
	publisher = {Omicron System},
	year = {2004},
	address = {Buenos Aires :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Excel para contadores2-l86926.jpg}
}