TY - JOUR T1 - Low-level (submicromole) environmental 14C metrology JF - Nucl. Instr. and Meth. in Phys. Res. Y1 - 2000 A1 - Currie, L. A. A1 - Kessler, J. D. A1 - Marolf, J. V. A1 - McNichol, A. P. A1 - Stuart, D. R. A1 - Donoghue, J. C. VL - B IS - 172 N1 - id: 1713 ER -