@article{mort:lin209,
  author	=	{Chris Mortensen},
  title	=	{Linear Algebra Representation of Necker Cubes II: 
The Routley Functor and Necker Chains},
  journal	=	{The Australasian Journal of Logic},
  year	=	2009,
  volume	=	7,
  pages	=	{10--25},
  URL	=	{http://www.philosophy.unimelb.edu.au/ajl/2009/},
}