@misc{friedrich2008twoq, author={Michael {Friedrich}}, title={{Tree-ring width of Quercus species from living tree sample HOH9220-1}}, year={2008}, doi={10.1594/PANGAEA.676493}, url={https://doi.org/10.1594/PANGAEA.676493}, organization={Institute of Botany, University of Hohenheim}, type={data set}, publisher={PANGAEA} }