Hubble Space Telescope observations of the nucleus and inner coma of comet 67P/Churyumov-GerasimenkoP. L. Lamy, I. Toth, H. A. Weaver, L. Jorda, M. Kaasalainen and P. J. GutiérrezA&A, 458 2 (2006) 669-678DOI: https://doi.org/10.1051/0004-6361:20065253
