TY  - BOOK
AU  - Willis,Dave
TI  - Collins COBUILD English usage: Helping learners with real English
SN  - 0003705528 (pbk.)
AV  - PE1128 C65 1992
PY  - 1992///
CY  - Glasgow
PB  - Collins COBULID
KW  - English language
KW  - Problems, exercises etc
KW  - Textbooks for foreign speakers
KW  - Grammar
N1  - Includes index
ER  -