Stosius, R., Beyerle, G., Hoechner, A., Wickert, J., Lauterjung, J. (2011): The impact on tsunami detection from space using GNSS-reflectometry when combining GPS with GLONASS and Galileo on GNSS-Reflectometry tsunami detection from space. - Advances in Space Research, 47, 5, 843-853.https://doi.org/10.1016/j.asr.2010.09.022