@misc{indiciaea5cf243cc601,
  title = {A new twist to the solar cycle},
  author = {Cattaneo, Fausto and Chiueh, Tzihong and Hughes, David W.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19930057658},
  note = {Source identifier: 19930057658}
}