Revision history for entry Donnelly, Maureen; Smith, Barry (2003). "Layers: A New Approach to Locating Objects in Space" [DONLAN]

NB: for privacy reasons, few details are provided in public revision histories.
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2014-09-26T12:22:41update
2014-08-28T19:58:52update
2014-08-28T19:57:45update
2014-08-28T19:57:45update
2012-05-01T21:42:21update
2011-09-20T11:02:53update
2011-09-20T10:56:48update
2011-09-20T10:45:23update
2011-09-20T10:44:59update
2011-01-20T22:53:03addSystem / admin update -