Não informado. (1956). Minnesota Studies in the Philosophy of Science. Minnesota Center of Philosophy of Science.
Chicago-viite (17. p.)Não informado. Minnesota Studies in the Philosophy of Science. Minneapolis, Minn: Minnesota Center of Philosophy of Science, 1956.
MLA-viite (8. p.)Não informado. Minnesota Studies in the Philosophy of Science. Minnesota Center of Philosophy of Science, 1956.
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