TY  - BOOK
AU  - Azar,Betty Schrampfer
TI  - Understanding and using English grammar: a reference grammar 
SN  - 0139587039
U1  - 428.24 AZA 21
PY  - 2000///
CY  - White Plains, N.Y.
PB  - Longman
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Grammar
KW  - Problems, exercises, etc
N1  - Includes index
ER  -