00379nam a2200145Ia 4500008004100000020001500041082001600056100001900072245003000091260005000121300000800171650001400179650002000193653002000213170901s1976    xx            000 0 und d  a9027702454  a338.9bF92E  aFrisch, Ragnar 0aEconomic Planning Studies  aDordrechtbD. Reidel Publishing Companyc1976  a198  aEconomics  aSocial sciences  aEconomic policy