@article{Wauters:3977,
      author        = "Wauters, Laurence and Dominique, Marie and Dammasch,
                       Ingolf and Meftah, Mustapha",
      title         = "{Tracking of predominant periodicities evolution for
                       PROBA2/LYRA and other long-term solar time series.}",
      month         = "Oct",
      year          = "2018",
}