TY  - BOOK
AU  - Spanos, Aris
TI  - Instrumental variables revisited: a finite sample interpretation 
T2  - Discussion Paper in Economics
AV  - HB 1 .A2D5 no. 87/6
PY  - 1987///
CY  - London
PB  - Birkbeck College, University of London
KW  - Análisis estadístico
KW  - Econometría
ER  -