Earth system science: bridging the gaps between disciplines : perspectives from a multi-disciplinary Helmholtz Research School - Lohmann, Gerrit, Ed; Grosfeld, Klaus, Ed; Wolf-Gladrow, Dieter, Ed; Vikram Unnithan, Ed; Notholt, Justus, Ed; Wegner, Anna, Ed (Springer briefs in earth system sciences, 2013)