@misc{grahl2006caos, author={C {Grahl} and Antje {Boetius} and Eva-Maria {N\"{o}thig}}, title={{Chlorophyll a of sediment core PS2757-4}}, year={2006}, doi={10.1594/PANGAEA.400100}, url={https://doi.org/10.1594/PANGAEA.400100}, type={data set}, publisher={PANGAEA} }