D.J. Brabander
N.Keon
R.H.R. Stanley
H.F. Hemond
, Intra-ring variability of Cr, As, Cd, and Pb in red oak revealed by secondary ion mass spectrometry: Implications for environmental biomonitoring.
, Proceedings of the National Academy of Science. 96(25): 14635-14640., 1999
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