TY  - BOOK
AU  - Bowden, Roger J.
AU  - Turkington, Darrell
TI  - Instrumental variables
T2  - Econometric Society monographs in Quantitative Economics
SN  - 0521262410
U1  - 330.01519535 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge University Press
ER  -