TY  - BOOK
AU  - Swan,Michael
AU  - Walter,Catherine
TI  - How English works : a grammar practice book
AV  - PE1112 S926H
PY  - 1997///
CY  - Oxford
PB  - Oxford Univ. Press
KW  - ENGLISH LANGUAGE
KW  - GRAMMAR
KW  - PROBLEMS, EXERCISES, ETC
ER  -