@book{94289,
	author = {Alonso, Amado and Lapesa Melgar, Rafael},
	title = {De la pronunciación medieval a la moderna en espãnol},
	publisher = {Gredos},
	year = {1967.},
	series = {Biblioteca románica hispánica.},
	address = {Madrid},
	edition = {2nd ed.}
}