@inproceedings{DBLP:conf/ijcai/SterlingY89,
  author    = {Leon Sterling and
               L. {\"U}mit Yal\c{c}inalp},
  title     = {Explaining Prolog Based Expert Systems Using a Layered Meta-Interpreter},
  booktitle = {IJCAI},
  year      = {1989},
  pages     = {66-71},
  crossref  = {DBLP:conf/ijcai/1989},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ijcai/1989,
  editor    = {N. S. Sridharan},
  title     = {Proceedings of the 11th International Joint Conference on
               Artificial Intelligence. Detroit, MI, USA, August 1989},
  booktitle = {IJCAI},
  publisher = {Morgan Kaufmann},
  year      = {1989},
  isbn      = {1-55860-094-9},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}