TY  - BOOK
AU  - Bowden Roger J
AU  -  Trukington Darrell A
TI  - Instrumental variables
T2  - Econometric Society Monographs In Duantitative Economics .8
U1  - X:(B28), M4 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge Unversity Press        
KW  - Economic Statistics
N1  - Bib p 211-18 Appendix p 202-10
ER  -