@book{157882,
	author = {Demangeon, Albert and De Reparaz, G.},
	title = {Bélgica, Luxemburgo, Países Bajos},
	publisher = {Montaner y Simón},
	year = {1947},
	series = {Geografía Universal},
	address = {Barcelona},
	edition = {2a ed.}
}