TY  - BOOK
AU  - Fuchs, Marjorie, 1949- - Westheimer, Miriam, coautor - Bonner, Margaret, colaborador
TI  - Focus on grammar. An intermediate course for reference and practice 
SN  - 020165685X
AV  - PE1128 F832f 1994 
CY  - Reading, Massachusetts 
PB  -  Addiosn-Wesley ,  c1994.
N1  - 1-Ingl,s Libros de texto para extranjeros 2- Ingl,s Gram tica
ER  -