@article{brittin1962,
  title={Lectures in Theoretical Physics},
  author={Wesley E. Brittin and B. W. Downs and Joanne Downs and Raymond J. Seeger},
  year={1962},
  journal={American Journal of Physics},
  doi={10.1119/1.1942034},
  url={https://doi.org/10.1119/1.1942034}
}