Hikov, A., Milakovska, Z., Stoyanova, V., Stefanova, E., Abramowski, T., Chavdarova, S., & Stavrev, M. (2022). REE and Trace Elements Distribution in the Deep-sea Sediments from the Interoceanmetal (IOM) Polymetallic Nodule Exploration Area in the Clarion-Clipperton Fractures Zone, NE Pacific. Proceedings of the Bulgarian Academy of Sciences, 75(7), 1018–1027. https://doi.org/10.7546/CRABS.2022.07.10