Fog B. Paul Samuelson. Economics. An Introductory Mc Graw-Hill Book Co. New York. 1948. 622 s. $ 4.50. nt [Internet]. 1949 Jan. 1 [cited 2024 Nov. 8];87. Available from: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/60413