@book{112867,
	author = {Heers, Marie Louise.},
	title = {El mundo contemporáneo (1848-1914)},
	publisher = {EDAF},
	year = {1981.},
	series = {Nueva historia del mundo},
	address = {Madrid},
	note = {Translation of : Du printemps des peuples a l'affrontement des nations (1848-1914).}
}