McClintock, William E., Izenberg, Noam R., Holsclaw, Gregory M., Blewett, David T., Domingue, Deborah L., Head, James W., Helbert, Jorn, McCoy, Timothy J., Murchie, Scott L., Robinsob, Mark S., Solomon, Sean C., Sprague, Ann L., and Vilas, Faith. 2008. "
Spectroscopic Observations of Mercury's Surface Reflectance During MESSENGER's First Mercury Flyby."
Science, 321, (5885) 62–65.
https://doi.org/10.1126/science.1159933.