VIRTIS-H observations of the dust coma of comet 67P/Churyumov-Gerasimenko: Spectral properties and color temperature variability with phase and elevation by Bockelée-Morvan, D, Leyrat, C, Erard, S, Andrieu, F, Capaccioni, F, Filacchione, G, Hasselmann, PH, Crovisier, J, Drossart, P, Arnold, G, Ciarniello, M, Kappel, D, Longobardo, A, Capria, MT, De Sanctis, MC, Rinaldi, G, Taylor, F