@misc{indiciae562006154eb0,
  title = {Using Data Assimilation Methods for Prediction of Solar Activity},
  author = {Kitiashvili, I. N. and Collins, N. S.},
  year = {2017},
  url = {https://ntrs.nasa.gov/citations/20190028746},
  note = {Source identifier: 20190028746}
}