TY  - MUSIC
AU  - Keuning,Hans P.
TI  - 12 Moeilijke etudes (12 Difficult studies):  : Altblokfluit (treble recorder)
PY  - 1968///
CY  - [s.l.]
PB  -  : Harmonia
KW  - Estudis i exercicis
KW  - Flauta dolça
KW  - Partitures
N1  - Per a flauta dolça
ER  -