Spatially resolving the outer atmosphere of the M giant BK Virginis in the CO first overtone lines with VLTI/AMBERK. Ohnaka, K.-H. Hofmann, D. Schertl, G. Weigelt, F. Malbet, F. Massi, A. Meilland and Ph. SteeA&A, 537 (2012) A53DOI: https://doi.org/10.1051/0004-6361/201118128
