Revision history for entry Stephan, Achim (1999). "Introduction: Animal beliefs, concepts, and communication" [STEIAB]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-03-25T08:02:54updateSystem / admin update -
2013-11-21T12:14:29updateSystem / admin update -
2010-09-29T17:15:38updateSystem / admin update -
2009-11-01T23:58:36update