Revision history for entry Clark, Andy (1988). "Superman and the duck/rabbit: A reply to Gordon and Bringsjord" [CLASAT]

NB: for privacy reasons, few details are provided in public revision histories.
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2013-11-21T05:16:55updateSystem / admin update -
2013-11-21T05:16:55updateSystem / admin update -
2012-11-20T15:44:23updateSystem / admin update -