TY  - BOOK
AU  - Baldev Raj
AU  -  Aman Ullah
TI  - Econometrics :  A varying confficients approach
U1  - X:(B28), M1-;1 
PY  - 1981///
CY  - London
PB  - Croom Helm      
KW  - ECONOMICS
N1  - Bibliography p345-368
ER  -