@article{Threadgold87-semiotics,
  author	= {Threadgold, Terry},
  year		= {1987},
  title		= {The semiotics of Halliday, Voloshinov and Eco},
  journal	= {American Journal of Semiotics},
  volume	= {4},
  number	= {3},
  pages		= {107--142}
}