@inproceedings{HagertH83,
  title = {Logic Modelling of Cognitive Reasoning},
  author = {Göran Hagert and Åke Hansson},
  year = {1983},
  tags = {meta-model, logic, Meta-Environment},
  researchr = {https://researchr.org/publication/HagertH83},
  cites = {0},
  citedby = {0},
  pages = {81-83},
  booktitle = {IJCAI},
}