TY  - GEN
AU  - Walton, Richard,
TI  - Focus on first certificate
SN  - 0582290953
AV  - PE1128 
PY  - 1997///
CY  - Harlow
PB  - Longman
KW  - English language
KW  - Grammar
KW  - Problems, exercises, etc
KW  - Textbooks for foreign speakers
N1  - Previous ed.: 1993
ER  -