Revision history for entry Jackson, Frank; Pettit, Philip (1990). "Program explanation: A general perspective" [JACPEA]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2013-11-21T10:17:19updateSystem / admin update -
2013-11-21T10:17:19updateSystem / admin update -
2013-11-04T08:32:51updateSystem / admin update -
2012-11-20T20:44:36updateSystem / admin update -