00285nam a2200085Ia 4500008004100000100001900041245010900060260002100169300000900190260311b        |||||||| |||| 00| 0 eng d  aFrisch, Ragnar  aSurvey of types of economic forecasting and programming and a brief description of Oslo channel modelb/  aOslobn.p.c1961  a59p.