@book{26743,
	author = {Apel, Willi },
	title = {Masters of the keyboard. A brief survey of pianoforte music.},
	publisher = {Harvard Univ. Press, },
	year = {c1947, 1962},
	address = {Cambridge : },
	edition = {1 ed.},
	note = {Trata la historia del piano desde 1300.}
}