On the stability of clathrate hydrates in comets 67P/Churyumov-Gerasimenko and 46P/WirtanenU. Marboeuf, O. Mousis, J.-M. Petit, B. Schmitt, A. L. Cochran and H. A. WeaverA&A, 525 (2011) A144DOI: https://doi.org/10.1051/0004-6361/201015438