@article{1002,
  author = {Edgar Whitley},
  title = {Two approaches to developing expert systems: A consideration of formal and semi-formal domains},
  year = {1991},
  booktitle = {AI & Society},
  journal = {AI & Society},
  volume = {5},
  number = {2},
  pages = {110-127},
  institution = {http://dx.doi.org/10.1007/BF01891717},
  organization = {http://dx.doi.org/10.1007/BF01891717},
  isbn = {0951–5666},
  url = {AISociety1991.pdf},
  language = {eng},
  key = {520},
}