Ercan, Fabian E.Z., Daan Blok, Stef Weijers, Astrid Odé, and Friederike Wagner-Cremer. 2021. “North Atlantic Oscillation Seesaw Effect in Leaf Morphological Records from Dwarf Birch Shrubs in Greenland and Finland”. Polar Research 40 (December). https://doi.org/10.33265/polar.v40.7709.