[BAA Comets] Two 67P pre-prints on arXiv

[Jeremy Shears]

Temporal morphological changes in the Imhotep region of comet 67P/Churyumov-Gerasimenko, http://arxiv.org/abs/1509.02794
Gravitational slopes, geomorphology, and material strengths of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations,  http://arxiv.org/abs/1509.02707
Jeremy