@misc{indiciae4cba18bade1b,
  title = {Solar Activities Predictions: Long-Term Solar Activity},
  author = {P S Mcintosh and G M Brown and R Buhmann and T Clark and P F Fougere and H Hunter and J V Lincoln and H H Sargent III and J G Timothy and Y Z Lin},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800016203},
  note = {Source identifier: 19800016203}
}