@book{259944,
	author = {Bach, Johann Sebastian  and Bach, Wilhelm Friedemann},
	title = {Polifoničeskie p΄esy I.S. Baha i ego synovej - V.F. Baha i F.E. Baha},
	publisher = {Muzyka},
	year = {1974},
	series = {Pedagogičeskij repertuar},
	address = {Leningrad}
}