TY - BOOK AU - Koopmans,Tjalling C AU - Hood,WM C TI - Studies in econometric method T2 - Cowles Commission for Research in Economics. Monograph AV - HB171 .H68 U1 - 330.015195 22 PY - 1953/// CY - New York PB - John Wiley KW - Economics, Mathematical N1 - Bibliography: p. 305-310 ER -