C. Rolf, U. Hambach and M. Weidenfeller 2008. Rock and palaeomagnetic evidence for the Plio-Pleistocene palaeoclimatic change recorded in Upper Rhine Graben sediments (Core Ludwigshafen-Parkinsel). Netherlands Journal of Geosciences. 87, (Mar. 2008), 41 - 50. DOI:https://doi.org/10.1017/S0016774600024033.