@article{Raftery:909,
      author        = "Raftery, C.L. and Bloomfield, D.S. and Gallagher, P.T. and
                       Seaton, D.B. and Berghmans, D. and De Groof, A.",
      title         = "{Temperature Response of the 171 Å Passband of the SWAP
                       Imager on PROBA2, with a Comparison to TRACE, SOHO, STEREO,
                       and SDO}",
      year          = "2013",
      note          = "PROBA2 Topical Issue",
}