Seasonal exposure of carbon dioxide ice on the nucleus of comet 67P/Churyumov-Gerasimenko. by Filacchione, G, Raponi, A, Capaccioni, F, Ciarniello, M, Tosi, F, Capria, M, De Sanctis, M, Migliorini, A, Piccioni, G, Cerroni, P, Barucci, M, Fornasier, S, Schmitt, B, Quirico, E, Erard, S, Bockelee-Morvan, D, Leyrat, C, Arnold, G, Mennella, V, Ammannito, E, Bellucci, G, Benkhoff, J, Bibring, J, Blanco, A, Blecka, M, Carlson, R, Carsenty, U, Colangeli, L, Combes, M, Combi, M, Crovisier, J, Drossart, P, Encrenaz, T, Federico, C, Fink, U, Fonti, S, Fulchignoni, M, Ip, W, Irwin, P, Jaumann, R, Kuehrt, E, Langevin, Y, Magni, G, McCord, T, Moroz, L, Mottola, S, Palomba, E, Schade, U, Stephan, K, Taylor, F, Tiphene, D, Tozzi, G, Beck, P, Biver, N, Bonal, L, Combe, J, Despan, D, Flamini, E, Formisano, M, Frigeri, A, Grassi, D, Gudipati, M, Kappel, D, Longobardo, A, Mancarella, F, Markus, K, Merlin, F, Orosei, R, Rinaldi, G, Cartacci, M, Cicchetti, A, Hello, Y, Henry, F, Jacquinod, S, Reess, J, Noschese, R, Politi, R, Peter, G