@book{Huddleston-etal68,
  author	= {Huddleston, Rodney D. and Hudson, Richard A. and Winter, Eugene and Henrici, A.},
  year		= {1968},
  title		= {Sentence and clause in Scientific English. Final Report of O.S.T.I. Programme},
  publisher	= {Communication Research Centre},
  address	= {University College London}
}