Skornyakova, Nadezhda S (1986): (Table 48) Chemical and mineral compositions of buried nodules. P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, PANGAEA, https://doi.org/10.1594/PANGAEA.735333, In supplement to: Murdmaa, Ivar O; Skornyakova, Nadezhda S; et al. (1986): Ferromanganese Nodules of the Central Pacific Ocean. P.P. Shirshov Institute of Oceanology of the USSR Academy of Sciences, Transactions, vol. 122. Moscow, Nauka Publ. (I.O. Murdmaa and N.S. Skornyakova, Eds.), 344 pp