@article{Mierla:5133,
      author        = "Mierla, Marilena and Janssens, Jan  and D’Huys, Elke 
                       and Wauters, Laurence  and West, Matthew J.  and Seaton,
                       Daniel B.  and Berghmans, David  and Podladchikova, Elena",
      title         = "{Long-term Evolution of the Solar Corona Using PROBA2
                       Data}",
      month         = "Sep",
      year          = "2020",
}