@incollection{Langacker75-cls,
  author	= {Langacker, Robert W.},
  editor	= {Grossman, R. E. and San, J. L. and Vance, T. J.},
  year		= {1975},
  title		= {Functional Stratigraphy},
  booktitle	= {Papers from the parasession on Functionalism},
  publisher	= {Chicago Linguistic Society},
  address	= {Chicago},
  pages		= {351--397}
}