@book{17963,
	author = {Ferreyra, Gustavo Alejandro,  and Osorio, Jairo, },
	title = {Manifiesto sobre el estado constitucional : },
	publisher = {Ediciones ANAULA, },
	year = {2017.},
	series = {Ius et respublica},
	address = {Medellín: }
}