TY  - BOOK
AU  - Hewings,Martin
TI  - Advanced grammar in use :  : A self-study reference and practice book for advanced learners of English, with answers / 
SN  - 0521614031
AV  - PE1128.A3  H49 2005 
PY  - 2005///
CY  - Cambridge : 
PB  - Cambridge University Press, 
KW  - lemb
KW  - Inglés
KW  - Gramática
KW  - Problemas y ejercicios
ER  -