Revision history for entry Kirsh, David (1987). "Putting a price on cognition" [KIRPAP]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-01-24T06:07:41updateSystem / admin update -
2013-12-01T20:17:09updateSystem / admin update -
2013-11-02T06:11:53updateSystem / admin update -
2010-10-15T16:21:13updateSystem / admin update -