@incollection{Schegloff78,
  author	= {Schegloff, E. A.},
  editor	= {Dressler, W. U.},
  title		= {On some questions and ambiguities in conversation},
  year		= {1978},
  booktitle	= {Current Trends in Textlinguistics},
  publisher	= {de Gruyter},
  address	= {Berlin},
  pages		= {81--102}
}