1. University of Münster, Institute of Geology
and Palaeontology - Applied Geology, Corrensstrasse 24, 48149 Münster, Germany
2. RWTH Aachen University, Institute for Environmental
Research, Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
3. RWTH Aachen University, Institute of Geology
and Geochemistry of Petroleum and Coal, Lochnerstrasse 4-20, 52056 Aachen, Germany
4. J.W.-Goethe University Frankfurt am Main, Institute
for Atmospheric and Environmental Sciences, Department of Analytical
Environmental Chemistry, Altenhöferallee 1, 60438 Frankfurt/Main, Germany