Polychlorinated dibenzo-p-dioxins/furans (PCDD/Fs) and metals in scots pine (Pinus sylvestris) needles from Eastern and Northern Europe: Spatiotemporal patterns, and potential sources Holt, E.; Kočan, A.; Klánová, J.; Assefa, A.; Wiberg, K. Chemosphere 156: 30-36 2016 https://eurekamag.com/research/058/569/058569856.php