TY  - BOOK
AU  - BIORN Erik
TI  - Econometrics of panel data:  Methods and applications   
SN  - 978019875334
U1  - X:(B):D6,9(B), Q7 
PY  - 2017///
CY  - Oxford
PB  - Oxford University Press        
KW  - Economics
N1  - Bibliography chapterwise
ER  -