TY  - BOOK
AU  - Grasa A Aznar
TI  - Econometric model selection:  A new approach   
T2  - Advanced Studies in Theoritical and Applied Econometrics, 16
U1  - X:(B), M9 
PY  - 1989///
CY  - Dordrecht
PB  - Kluwer Academic         
ER  -