TY  - BOOK
T1  - The secret formula
T2  - English graded readers. Grade 4. Fiction series
A1  - McCallum, George P
LA  - English
PP  - Madrid
PB  - Alhambra
YR  - 1985
UL  - https://colectivo.uloyola.es/Record/L29850
OP  - 62
SN  - 842051067X
KW  - Inglés (Lengua) : Lecturas
ER  -