@misc{indiciaef6746e1c73eb,
  title = {Free oscillations in a climate model with ice-sheet dynamics},
  author = {Kallen, E. and Crafoord, C. and Ghil, M.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800035657},
  note = {Source identifier: 19800035657}
}