@misc{indiciaed027ebd75fdc,
  title = {Neural net forecasting for geomagnetic activity},
  author = {Hernandez, J. V. and Tajima, T. and Horton, W.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19950039553},
  note = {Source identifier: 19950039553}
}