@article{Podladchikova:3339,
      author        = "Podladchikova, Olena and Janssens, Jan and Marque,
                       Christophe and Berghmans, David and Andries, Jesse",
      title         = "{Time invariant adaptive Kalman filter for the automatic
                       F10.7 index short-term forecasting. }",
      month         = "Oct",
      year          = "2017",
}