Perui biciniumok. Composed by Erzsebet Szonyi. EMB. Volume 5. Solfeggio, music theory. Book Only. Editio Musica Budapest #Z12373. Published by Editio Musica Budapest (HL.50487145).
ISBN 9790080123737. B/5 (17x24) inches. Hungarian. Erzsebet Szonyi; Laszlo Lukin.
