@misc{schweingruber2007tmop, author={Fritz Hans {Schweingruber} and Felix {Kienast}}, title={{Tree-ring measurements of Picea abies (Norway spruce) from sample BALF-72}}, year={2007}, doi={10.1594/PANGAEA.589224}, url={https://doi.org/10.1594/PANGAEA.589224}, organization={Swiss Federal Institute for Forest, Snow and Landscape Research}, type={data set}, publisher={PANGAEA} }