Jacob MacKinnon
Jacob MacKinnon moved page Kuhn (1977) to Kuhn (1977a) without leaving a redirect
15:52
Hakob Barseghyan
Created page with "{{Bibliographic Record |Title=The Essential Tension: Selected Studies in Scientific Tradition and Change |Resource Type=book |Author=Thomas Kuhn, |Year=1977 |Publisher=Univers..."
23:05
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