TY  - BOOK
AU  - Krugman, P.R.
TI  - International Economics
SN  - NULL
PY  - 2005///
CY  - NULL
PB  - Pearson education
KW  - Account
N2  - ISBM
UR  - http://course.sdu.edu.cn/G2S/eWebEditor/uploadfile/20120417191243_590081573385.pdf
ER  -