(1)
Hikov, A.; Milakovska, Z.; Stoyanova, V.; Stefanova, E.; Abramowski, T.; Chavdarova, S.; Stavrev, M. 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. C. R. Acad. Bulg. Sci. 2022, 75, 1018-1027.