@article {2137, title = {Carbonate 14C Background: Does it have Multiple Personalities?}, journal = {Radiocarbon}, volume = {43}, year = {2001}, note = {id: 1501}, month = {2001}, pages = {169-176}, author = {Nadeau, Marie-Josee and Grootes, Pieter M. and Voelker, Antje and Bruhn, Frank and Duhr, Alexander and Oriwall, Angelika} }