@misc{indiciae994efbb59ff4,
  title = {Arctic sea-ice variations from time-lapse passive microwave imagery},
  author = {W. J. Campbell and R.O. Ramseier and H.J. Zwally and P. Gloersen},
  year = {1980},
  doi = {10.1007/bf00117913},
  url = {https://pubs.usgs.gov/publication/70012314},
  note = {Source identifier: 70012314}
}