@article{Kalugodu:8040,
      author        = "Kalugodu, Chandrashekhar and Lefèvre, Laure and Mampaey,
                       Benjamin and Valliappan, Senthamizh Pavai and Hayakawa,
                       Hisashi and Ritter, Christian",
      title         = "{Reconstruction of the Sunspot Number Series: Gathering
                       Data}",
      month         = "Dec",
      year          = "2025",
}