OLSEN, Erling. Murray C. Kemp: The Pure Theory of International Prentice - Hall Inc., Englewood New Jersey 1964, viii + 324 sider, pris $ 9,50. Nationaløkonomisk Tidsskrift, [S. l.], v. 103, 1965. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61196. Acesso em: 5 dec. 2025.