Christensen, Wayne DavidHooker, Cliff A.2007-07-052007-07-052000Paper presented at Representation in mind: New approaches to mental representation, 27-29th June 2000 at The University of Sydney.http://hdl.handle.net/2440/34103Also published in Representation in mind : new approaches to mental representation / Hugh Clapin, Phillil Staines, Peter Slezak (eds.) : ISBN 008044394XenConference paper0020064106