Inada, A., Garcia-Comas, M., Altieri, F., Gwinner, K., Poulet, F., Bellucci, G., Keller, H. U., Markiewicz, W. J., Richardson, M. I., Hoekzema, N., Neukum, G., & Bibring, J.-P. (2008). Dust haze in Valles Marineris observed by HRSC and OMEGA on board Mars Express. Journal Geophysical Research, 113:. doi:10.1029/2007JE002893.