@article{26729,
      author       = "Luzum, Brian J. and 25th Gen. Assembly EGS, Nice, 2000",
      title        = "Recent improvements to IERS bulletin A : Combination and
                      prediction  ",
      year         = "2000",
      note         = "U.S. Naval Observatory : Brian J. Luzum., Lit., 1 sv.",
}