Moreno, F., Snodgrass, C., Hainaut, O., Tubiana, C., Sierks, H., Barbieri, C., et al. (2016). The dust environment of comet 67P/Churyumov-Gerasimenko from Rosetta OSIRIS and VLT observations in the 4.5 to 2.9 AU heliocentric distance range inbound. Astronomy and Astrophysics, 587: A155. doi:10.1051/0004-6361/201527564.