@incollection{Ultan78,
  author	= {Ultan, R.},
  editor	= {Greenberg, Joseph and Moravscik, Edith and Ferguson, Charles},
  year		= {1978},
  title		= {The Nature of Future Tenses},
  booktitle	= {Universals of Human Language},
  publisher	= {Stanford University Press},
  address	= {Stanford}
}