@misc{preler2008twoq, author={Erhard {Pre{\ss}ler}}, title={{Tree-ring width of Quercus species from historical object sample 6062B/06A, Netherlands, Groningen}}, year={2008}, doi={10.1594/PANGAEA.146833}, url={https://doi.org/10.1594/PANGAEA.146833}, organization={Pre{\ss}ler GmbH - Planung und Bauforschung, Gersten/Germany}, type={data set}, publisher={PANGAEA} }