Panyushkina, I. P.; Mills, B. J.; Usmanova, E. R.; Cheng, li.
(Univ arizona dept geosciences, 2008-03)
We measured radiocarbon ages of 22 decadal replications and I bulk group from 5 tree-ring specimens using acid-base-acid pretreatment and accelerator mass spectrometry (AMS). The study has the goal of refining the precision ...