@misc{schweingruber2007tmop, author={Fritz Hans {Schweingruber} and Burkhard {Neuwirth}}, title={{Tree-ring measurements of Picea abies (Norway spruce) from sample LOETPCAB-2131}}, year={2007}, doi={10.1594/PANGAEA.594549}, url={https://doi.org/10.1594/PANGAEA.594549}, organization={Swiss Federal Institute for Forest, Snow and Landscape Research}, type={data set}, publisher={PANGAEA} }