TY  - BOOK
AU  - Close,R.A.
TI  - English as a Foreign Language: Its Constant Grammatical Problems 
SN  - 0044250258 (pbk.).
AV  - LB1579.E5 
PY  - 1981///
CY  - London
PB  - George Allen and Unwin
KW  - English language
KW  - Textbooks for foreign speakers
N1  - includes index
ER  -