@article{KleinZimmermannEbelingetal.2022, author = {Ole Klein and Tristan Zimmermann and Anna Ebeling and Madita Kruse and Torben Kirchgeorg and Daniel Pr{\"o}frock}, title = {Occurrence and Temporal Variation of Technology-Critical Elements in North Sea Sediments}, journal = {Archives of Environmental Contamination and Toxicology}, series = {A Determination of Preliminary Reference Values}, volume = {82}, number = {4}, pages = {481 -- 492}, doi = {10.1007/s00244-022-00929-4}, year = {2022}, }