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. [Internet]. 2022 Jul. 29 [cited 2024 Apr. 23];75(7):1018-27. Available from: https://proceedings.bas.bg/index.php/cr/article/view/119