Referee Report Ostzszevski et al. Title: Steepening of magnetosonic waves in tne inner coma of comet 67P?Churyumov-Gerasimenko This paper deals with the very interesting topic of so-called "steepened waves" that have been observed in the Rosetta magnetometer data, in the inner coma of comet 67P. These objects also have a corresponding signature in the plasma data (even in the diamagnetic cavity, i.e. without a magn0etic field), and therefore it is necessary to understand the characteristics of

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... hese waves. The authors make a thorough investigation of the data, where they show the various details of the waves in a statistical C1