Ortiz, Joseph D.; Rack, Frank R. (1999): Non-invasive sediment monitoring methods; current and future tools for high-resolution climate studies. Kluwer Academic/Plenum Publishers, New York, NY, United States, In: Abrantes, Fatima (editor), Mix, Alan C. (editor), Reconstructing ocean history; a window into the future, 343-380, georefid:2003-006226