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Scientific method and measurable utility
Soper, C. S., (1957)
Individualism and economic order
Hayek, Friedrich A. von, (1949)
Hayek, Friedrich A. von, (1948)
Leif Johansen : 1930 - 1982
Johansen, Leif, (2000)
Collected works of Leif Johansen
Johansen, Leif,
(1987). - XIII, 438 S.