Schnepp, E.; Pucher, R.; Goedicke, C.; Manzano, A.; Müller, U.; Lanos, P. (2003): Paleomagnetic directions and thermoluminescence dating from a bread oven-floor sequence in Lübeck (Germany): A record of 450 years of geomagnetic secular variation. Journal of Geophysical Research, B2,108, 2078.