@article{Seaton:500,
      author        = "Seaton, D.B. and De Groof, A. and Shearer, Paul and
                       Berghmans, D. and Nicula, B.",
      title         = "{SWAP Observations of the Long-Term, Large-Scale Evolution
                       of the EUV  Solar Corona}",
      year          = "2013",
}