TY  - BOOK
AU  - Nation, Paul
AU  - Nation, Paul
TI  - 4000 essential English words 2
SN  - 9781599664033
AV  - 420.14 
U1  - 420.14 
PY  - 2009///
CY  - Compass
PB  - Korea
KW  - ENGLISH
ER  -