@article{Levin-moore77,
  author	= {Levin, J. A. and Moore, James A.},
  year		= {1977},
  title		= {Dialogue-Games: Meta-Communication Structures for Natural Language Interaction},
  journal	= {Cognitive Science},
  volume	= {1},
  number	= {4},
  note		= {also: Technical Report No ISI/RR-77-53, Information Science Institute, Marina del Rey, Ca, 1977}
}