@inproceedings{o1996thin,
  title = "The thin end of the wedge: Efficiency and the generalised directive model methodology",
  author = "O'Hara, Kieron and Shadbolt, Nigel",
  year = "1996",
  booktitle = "International Conference on Knowledge Engineering and Knowledge Management",
  organization = "Springer, Berlin, Heidelberg",
  pages = "33--47",
}