TY  - BOOK
AU  - Romer david
TI  - Advanced macroeconomics 
SN  - 0-07-118131-8
AV  - 631.523/USE 
U1  - 631.523/USE Second edition
PY  - 2001///
CY  - Singaphore
PB  - Mcgraw-hill international
ER  -