@incollection{Jefferson72-side,
  author	= {Jefferson, G.},
  editor	= {Sudnow, D.},
  year		= {1972},
  title		= {Side Sequences},
  year		= {1972},
  booktitle	= {Studies in Social Interaction},
  publisher	= {The Free Press},
  address	= {New York},
  pages		= {294--338}
}