@article{poll:expr06,
  author	= {Stephen Pollard},
  title		= {Expressive Three-valued Truth Functions},
  journal	= {The Australasian Journal of Logic},
  year		= 2006,
  volume	= 4,
  pages		= {226--245},
  URL		= {http://www.philosophy.unimelb.edu.au/ajl/2006/},
}