@article {1978, title = {Radiocarbon dating of alkenones from marine sediments-III. Influence of solvent extractions procedures on 14C measurements of foraminifera}, journal = {Radiocarbon}, volume = {47}, year = {2005}, note = {id: 554}, month = {2005}, pages = {425-432}, author = {Ohkouchi, N. and Eglinton, T. I. and Hughen, K. A. and Roosen, E. and Keigwin, L.} }