@book{48802,
	author = {Küng, Hans and Bravo Navalpotro, José María},
	title = {20 tesis sobre ser cristiano / },
	publisher = {Ediciones Cristiandad ,  },
	year = {1977.},
	series = {El libro de Bolsillo cristiandad ; },
	address = {Madrid : },
	edition = {2a. ed.},
	note = {Incluye índice.}
}