@book{804,
	author = {Barra, Rodolfo Carlos},
	title = {Tratado de derecho administrativo},
	publisher = {Abaco},
	year = {2002},
	address = {Buenos Aires :},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Tratado de Derecho Administrativo(Rodolfo Carlos Barra)-Tomos 4.jpg}
}