Hart, DennisGregor, ShirleyHart, DennisGregor, Shirley2021-07-272021-07-2720059781920942212 (print), 9781920942205 (online)http://hdl.handle.net/1885/241160application/pdfen-AU© 2005 ANU PressInformation Systems Foundations: Constructing and Criticising200510.22459/ISF.06.2005