TY - JOUR T1 - Searching for a suitable gas ion source for C-14 accelerator mass spectrometry JF - Preceeding of PNNIB-11 (9/2006) Y1 - 2007 A1 - von Reden, K. A1 - Roberts, M. A1 - Han, B. A1 - Schneider, R. A1 - Wills, J. VL - A.I.P. Preceedings Series IS - in press N1 - id: 689 ER -