Volkov, Igor I (1984): (Table 6.4) Chemical composition of micronodules from pyrite and of magnetic sulfides from New Euxinian sediments of the Anatolian slope of the Black Sea. P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, PANGAEA, https://doi.org/10.1594/PANGAEA.771751, In supplement to: Volkov, II (1984): Geokhimiya Sery v Osadkakh Okeana (Geochemistry of Sulfur in Ocean Sediments). Nauka Publ. (Moscow): in Russian, 272 pp