TY  - BOOK
AU  - Thomas,R.Leighton
TI  - Introductory econometrics: theory and applications 
T2  - Longman economics series
SN  - 0-582-29634-x
U1  - 330/.028 19
PY  - 1985/// (1990 imp.)
CY  - London, New York
PB  - Longman
KW  - Econometría
N1  - Includes index; Bibliography: p. 358-367
ER  -