TY  - BOOK
AU  - Hewings,Martin
TI  - Advanced grammar in use: a self-study reference and practice book for advanced learners of English 
SN  - 0521498686 (with answers)
AV  - PE1128 H48436
PY  - 1999///]
CY  - Cambridge [England]
PB  - Cambridge University Press
KW  - Inglés
KW  - Gramática
KW  - Libros de texto para extranjeros
N1  - "With answers"; Reimpresiones: (10a, 2003)
ER  -