, 24 2008 . 19:43
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Conjectures and Refutations. The Growth of Scientific Knowledge. Popper .R.; London and Henley. Routledge and Kegan Paul, 1972.
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Conjectures and Refutations. The Growth of Scientific Knowledge. Popper .R.; London and Henley. Routledge and Kegan Paul, 1972.
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