The Activity of Comet 67P/Churyumov-Gerasimenko as Seen by Rosetta/OSIRIS
Holger Sierks, Max-Planck Institute for Solar System Research, Goettingen, Germany, Cesare Barbieri, CISAS - Center for Studies and Activities for Space, University of Padova, Padova, Italy, Philippe L Lamy, Astrophysics Laboratory of Marseilles, Marseilles, France, Rafael Rodrigo, IAA-CSIC, Granada, Spain, Hans Rickman, PAS Space Research Center, Warsaw, Poland, Detlef Koschny, European Space Research and Technology Centre, Noordwijk, Netherlands and The OSIRIS Team