TY  - BOOK
AU  - Koop gary
TI  - Introduction to econometrics
SN  - 978-0470-05270-1
AV  - 330.015195/KOO 
U1  - 330.015195/KOO 
PY  - 2008///
CY  - Great  britain
PB  - John wiley & sons, ltd
ER  -