@misc{indiciae93d09c8638af,
  title = {Longitude dependence of geomagnetically trapped electrons.},
  author = {Roederer, J. G. and Welch, J. A.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660059034},
  note = {Source identifier: 19660059034}
}