Revision history for entry Sorensen, Roy A. (1999). "Mirror notation: Symbol manipulation without inscription manipulation" [SORMNS]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2014-03-28T19:19:42updateSystem / admin update -
2013-11-22T11:24:28updateSystem / admin update -
2012-12-28T20:47:37updateSystem / admin update -
2012-12-28T20:47:37updateSystem / admin update -
2012-02-07T07:40:12update
2010-10-01T19:09:43updateSystem / admin update -