TY  - BOOK
AU  - Zellner Arnold
AU  - Theil H
TI  - Three stage least squares: simultaneous estimation of simultaneous equations
U1  - 330.18 
PY  - 1962///
KW  - Economic methods
N1  - Photo copy from Econometrica, v 30, n 1, Jan. 1962, pp.54-78
ER  -