Spectral features of Earth-like planets and their detectability at different orbital distances around F, G, and K-type starsP. Hedelt, P. von Paris, M. Godolt, S. Gebauer, J. L. Grenfell, H. Rauer, F. Schreier, F. Selsis and T. TrautmannA&A, 553 (2013) A9DOI: https://doi.org/10.1051/0004-6361/201117723