@misc{indiciaef3a6bc047633,
  title = {Long-Term Solar Activity Studies Using Microwave Imaging Observations and Prediction for Cycle 25},
  author = {N. Gopalswamy and P. Makela and S. Yashiro and S. Akiyama},
  year = {2018},
  url = {https://ntrs.nasa.gov/citations/20180006579},
  note = {Source identifier: 20180006579}
}