Interpretation through experimental simulations of phase functions revealed by Rosetta in 67P/Churyumov-Gerasimenko dust comaA. C. Levasseur-Regourd, J.-B. Renard, E. Hadamcik, J. Lasue, I. Bertini and M. FulleA&A, 630 (2019) A20DOI: https://doi.org/10.1051/0004-6361/201834894