@book{549,
	author = {Gonzalez de Reca, Florencia and Diez, Manuel María},
	title = {Manual de derecho administrativo},
	publisher = {Plus Ultra},
	year = {1980},
	address = {Buenos Aires :},
	edition = {2a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L85532.jpg}
}