TY - JOUR T1 - Carbonate 14C Background: Does it have Multiple Personalities? JF - Radiocarbon Y1 - 2001 A1 - Nadeau, Marie-Josee A1 - Grootes, Pieter M. A1 - Voelker, Antje A1 - Bruhn, Frank A1 - Duhr, Alexander A1 - Oriwall, Angelika VL - 43 IS - 2A N1 - id: 1501 ER -