@misc{W1990100773,
  author = {Jill H. Larkin and Herbert A. Simon},
  title = {Why a Diagram is (Sometimes) Worth Ten Thousand Words},
  year = {1987},
  howpublished = {Cognitive Science},
  doi = {https://doi.org/10.1111/j.1551-6708.1987.tb00863.x}
}