@misc{schweingruber2007tmop, author={Fritz Hans {Schweingruber} and Laura {Conkey}}, title={{Tree-ring measurements of Picea rubens (Red spruce) from sample RIDG-71}}, year={2007}, doi={10.1594/PANGAEA.597309}, url={https://doi.org/10.1594/PANGAEA.597309}, organization={Swiss Federal Institute for Forest, Snow and Landscape Research}, type={data set}, publisher={PANGAEA} }