Revision history for entry Lugg, Andrew (1990). "Pierre Duhem's conception of natural classification" [LUGPDC]

NB: for privacy reasons, few details are provided in public revision histories.
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2013-12-02T02:37:05updateSystem / admin update -
2013-01-12T21:10:54updateSystem / admin update -
2013-01-12T21:10:54updateSystem / admin update -