TY  - BOOK
AU  - Baltagi Badi H
TI  - Econimetric analysis of panel data
SN  - 0471499374
U1  - X:(B), N5;P1 
PY  - 2001///
CY  - Chichester
PB  - John Wiley         
KW  - Econometrics
N1  - Bibliography: P 257-283
ER  -