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Using tree cores to evaluate historic atmospheric concentrations and trends of polycyclic aromatic compounds in the Oil Sands
region of Alberta, Canada
; Rauert, C; Harner, T; Ahad, J M E; Percy, K E. Science of the Total Environment vol. 739, 139996,
2020 p. 1-7, https://doi.org/10.1016/j.scitotenv.2020.139996