 @article{hatje_santos_korn_2006,  title={Preparation of an estuarine sediment quality control material for the determination of trace metals},  volume={17},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532006000200020},  DOI={10.1590/S0103-50532006000200020},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Hatje, Vanessa and Santos, Denilson S. S. dos and Korn, Maria das Graças A.},  year={2006},  month={Mar},  pages={357–363} }