@article{Anastassopoulos:77226,
      author        = "Anastassopoulos, V. and Aune, S. and Barth, K. and Belov,
                       A. and Brauninger, H. and Cantatore, G. and Carmona, J.M.
                       and Castel, J.F. and Cetin, S.A. and Christensen, F. and
                       Dafni, T. and Davenport, M. and Dermenev, A. and Desch, K.
                       and Dobrich, B. and Eleftheriadis, C. and Fanourakis, G.
                       and Ferrer-Ribas, E. and Fischer, H. and Funk, W. and
                       Garcia, J.A. and Gardikiotis, A. and Garza, J.G. and Gazis,
                       E.N. and Geralis, T. and Giomataris, I. and Gninenko, S.
                       and Hailey, C.J. and Hasinoff, M.D. and Hoffmann, D.H.H.
                       and Iguaz, F.J. and Irastorza, I.G. and Jakobsen, A. and
                       Jacoby, J. and Jakovcic, K. and Kaminski, J. and Karuza, M.
                       and Kostoglou, S. and Kralj, N. and Krcmar, M. and Krieger,
                       C. and Lakic, B. and Laurent, J.M. and Liolios, A. and
                       Ljubicic, A. and Luzon, G. and Maroudas, M. and Miceli, L.
                       and Neff, S. and Ortega, I. and Papaevangelou, T. and
                       Paraschou, K. and Pivovaroff, M.J. and Raffelt, G. and
                       Rosu, M. and Ruz, J. and Choliz, E.R. and Savvidis, I. and
                       Schmidt, S. and Semertzidis, Y.K. and Solanki, S.K. and
                       Stewart, L. and Vafeiadis, T. and Vogel, J.K. and Vretenar,
                       M. and Wuensch, W. and Yildiz, S.C. and Zioutas, K. and
                       Brax, P.",
      title         = "{Improved search for solar chameleons with a GridPix
                       detector at CAST}",
      year          = "2019",
}