TY  - GEN
AU  - Gujarati, Damodar N. 
TI  - Essentials of econometrics 
SN  - 0071244484
U1  - 330.015195 
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill Book Company
KW  - philosophy and theory
KW  - Economics
ER  -