Dediu, Valentina Sandu Ludwig van Beethoven / Valentina Sandu Dediu. - Bucureşti : Editura Didactica si Pedagogica, R.A., 2008. - 115 p. ; 20 cm. - Musica viva ; 2 . ISBN: 9789733020486 Subjects--Personal Names: Beethoven, Ludwig van, 1770-1827 --Biography