Magnetic activity and differential rotation in the young Sun-like stars KIC 7985370 and KIC 7765135H.-E. Fröhlich, A. Frasca, G. Catanzaro, A. Bonanno, E. Corsaro, J. Molenda-Żakowicz, A. Klutsch and D. MontesA&A, 543 (2012) A146DOI: https://doi.org/10.1051/0004-6361/201219167