@incollection{Vennemann75,
  author	= {Vennemann, Theo},
  editor	= {Li, Charles},
  title		= {An Explanation of Drift},
  booktitle	= {Word Order and Word Order Change},
  pages		= {269--305},
  publisher	= {University of Texas Press},
  year		= {1975},
  address	= {Austin, Texas}
}