TY - BOOK AU - Bjerkholt,Olav AU - Dupont-Kieffer,Ariane . TI - Problems and methods of econometrics : the poincare lectures of ragnar frisch, 1933 / SN - 9780415451444 U1 - 330.015195 PY - 2009/// CY - London : PB - Routledge , KW - ECONOMICS N1 - Includes index ER -