Revision history for entry Blum, Alex (1971). "Sortals and paradox" [BLUSAP]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2015-02-06T02:34:52updateSystem / admin update -
2013-01-12T16:00:10updateSystem / admin update -
2013-01-12T16:00:10updateSystem / admin update -