@article{Cover:2010L7,
  author = "Cover, Keith S.",
  title = "{Differences at low l in Planck's first light sky map from WMAP's and COBE's}",
  doi = "10.22323/1.097.0019",
  journal = "PoS",
  year = 2010,
  volume = "Cosmology2009",
  pages = "019"
}