Revision history for entry Friedrich, J├╝rgen (1996). "Design science 97" [JRGDS]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-04-01T12:56:29updateSystem / admin update -
2014-01-24T02:06:59updateSystem / admin update -
2013-11-21T00:16:56updateSystem / admin update -
2013-01-24T20:45:09updateSystem / admin update -
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2013-01-24T20:45:09updateSystem / admin update -
2011-09-13T19:34:33update
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2010-09-30T16:08:06updateSystem / admin update -
2010-09-29T21:03:00addSystem / admin update -