TY  - BOOK
AU  - Bowden,Roger J.
AU  - Turkington,Darrell A.
TI  - Instrumental variables
T2  - Economic Society monograph in quantitative economics
U1  - 519.535 22
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Estimation theory
KW  - Instrumental variables (Statistics)
KW  - Variables (Mathematics)
ER  -