TY  - BOOK
AU  - Raj,Baldev
AU  - Ullah Aman
TI  - Econometric: a varying coefficients approach 
SN  - 0709903138
PY  - 1981///
CY  - London
PB  - Croom Helm
KW  - Econometrics
N1  - Includes index; Bibliography: p.345-367
ER  -