@article{larkin1980,
  title={Expert and Novice Performance in Solving Physics Problems},
  author={Jill Larkin and John McDermott and Dorothea P. Simon and Herbert A. Simon},
  year={1980},
  journal={Science},
  doi={10.1126/science.208.4450.1335},
  url={https://doi.org/10.1126/science.208.4450.1335}
}