@misc{preler2007twop, author={Erhard {Pre{\ss}ler}}, title={{Tree-ring width of Pinus sylvestris from historical object sample 6057B/12A, Netherlands, Groningen}}, year={2007}, doi={10.1594/PANGAEA.146858}, url={https://doi.org/10.1594/PANGAEA.146858}, organization={Pre{\ss}ler GmbH - Planung und Bauforschung, Gersten/Germany}, type={data set}, publisher={PANGAEA} }