@article{Matthiessen-etal92,
  author	= {Matthiessen, Christian M. I. M. and Slade, Diana and Macken, Mary},
  year		= {1992},
  title		= {Language in context: a new model for evaluating student writing},
  journal	= {Linguistics and Education},
  volume	= {4},
  number	= {2},
  pages		= {173--195}
}