TY  - MUSIC
AU  - Cramer,Johann Baptist
TI  - 50 Studi
PY  - 0000///, [s.a.]
CY  - Milano [etc.]
PB  -  : G. Ricordi & C.
KW  - Estudis i exercicis
KW  - Piano
KW  - Partitures
N1  - Per a piano
ER  -