Solar-insolation-induced changes in the coma morphology of comet 67P/Churyumov-Gerasimenko - Optical monitoring with the Nordic Optical TelescopeB. Zaprudin, H. J. Lehto, K. Nilsson, A. Somero, T. Pursimo, C. Snodgrass and R. SchulzA&A, 604 (2017) A3DOI: https://doi.org/10.1051/0004-6361/201730475
