@misc{indiciae88774683fe3c,
  title = {Singular spectrum analysis for time series with missing data},
  author = {D. H. Schoellhamer},
  year = {2001},
  doi = {10.1029/2000gl012698},
  url = {https://pubs.usgs.gov/publication/70023264},
  note = {Source identifier: 70023264}
}