<ref name="Seth_consciousness_complexity">{{cite book|author1=Seth A|author2=Edelman G|title=Consciousness and complexity|editor=Meyers R|booktitle=Springer Encyclopedia of Complexity and Systems Science|year=2008|publisher=Springer Verlag}}</ref> | <ref name="Seth_consciousness_complexity">{{cite book|author1=Seth A|author2=Edelman G|title=Consciousness and complexity|editor=Meyers R|booktitle=Springer Encyclopedia of Complexity and Systems Science|year=2008|publisher=Springer Verlag}}</ref> |