First-order displacement of a magnetic field line in an Elmo bumpy torus.

@article{Lee1986FirstorderDO,
  title={First-order displacement of a magnetic field line in an Elmo bumpy torus.},
  author={Lee and Hedrick and Callen},
  journal={Physical review. A, General physics},
  year={1986},
  volume={33 4},
  pages={2675-2678}
}