@book{17944,
	author = {Monterroza Rios, Álvaro David},
	title = {La naturaleza heterogénea de los artefactos tónicos : },
	publisher = {Instituto Tecnolg̤ico Metropolitano, },
	year = {2018.},
	series = {Investigacin̤ cientf̕ica},
	address = {Medellín : }
}