Revision history for entry Heeger, Robert; Brom, Frans W. A. (2001). "Intrinsic value and direct duties: From animal ethics towards environmental ethics?" [HEEIVA]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-03-26T04:49:37updateSystem / admin update -
2013-11-22T09:40:32updateSystem / admin update -
2011-02-21T14:34:17update
2010-09-29T16:38:46updateSystem / admin update -