1. Department of Sedimentology
and Environmental Geology and Interdisciplinary Center for Sustainable
Development, Georg-August-University, D-37073 Göttingen, Germany
2. Joint Mass Spectrometry Centre, Cooperation Group “Comprehensive
Molecular Analytics”, Helmholtz Zentrum München, D-85764 Neuherberg, Germany
3. Joint Mass Spectrometry
Centre, Institute of Chemistry, Division of Analytical and Technical
Chemistry, University of Rostock, D-18057 Rostock, Germany
4. Department of Solid Biofuels, Technology and Support Centre (TFZ), D-94315 Straubing,
Germany