@misc{indiciaedd911b93a51f,
  title = {Sunspot Pattern Classification using PCA and Neural Networks (Poster)},
  author = {Rajkumar, T. and Thompson, D. E. and Slater, G. L.},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20050238985},
  note = {Source identifier: 20050238985}
}