TY  - BOOK
AU  - Dougherty Christopher
TI  - Introduction to econometrics
SN  - 0195693248
U1  - X:(B), P7/TD 
PY  - 2007///
CY  -  New Delhi 
PB  - Oxford University Press       
KW  - Economics
N1  - Bibliography  P 450-53; Appendix P 424-50
ER  -