@incollection{Steiner88-folk,
  author	= {Steiner, Erich},
  editor	= {Cummings, Michael J. and Greaves, William S. and Benson, James D.},
  year		= {1988},
  title		= {The interaction of language and music as semiotic systems: the example of a folk ballad},
  booktitle	= {Linguistics in a systemic perspective},
  publisher	= {Benjamins},
  address	= {Amsterdam}
}