Inhomogeneities in molecular layers of Mira atmospheres M. Wittkowski, D. A. Boboltz, M. Ireland, I. Karovicova, K. Ohnaka, M. Scholz, F. van Wyk, P. Whitelock, P. R. Wood and A. A. Zijlstra A&A, 532 (2011) L7 Published online: 21 July 2011 DOI: 10.1051/0004-6361/201117411