@TECHREPORT{Roj_Gra_2016,
author = "Rojas, Alexander - Moreno, Katherine - Morales, Daniel",
title = "Graciela",
year = 2016,
institution = "Repositorio Corporación Unificada Nacional de Educación Superior",
url = "https://repositorio.cun.edu.co/handle/cun/2626",
}