Steinmetz D., Winsemann J., Brandes C., Siemon B., Ullmann A., Wiederhold H., and Meyer U. “Towards an Improved Geological Interpretation of Airborne Electromagnetic Data: A Case Study from the Cuxhaven Tunnel Valley and Its Neogene Host Sediments (northwest Germany)”. Netherlands Journal of Geosciences, vol. 94, Dec. 2014, pp. 201-27, doi:10.1017/njg.2014.39.