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
2014-03-28T15:19:42updateSystem / admin update -
2013-11-22T06:24:28updateSystem / admin update -
2012-12-28T15:47:37updateSystem / admin update -
2012-12-28T15:47:37updateSystem / admin update -
2012-02-07T02:40:12update
2010-10-01T14:09:43updateSystem / admin update -