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2. G. N. Baturin, Phosphorites on the Floor of the Ocean (Nauka, Moscow, 1978) [in Russian].
3. G. N. Baturin, Ores of the Ocean (Nauka, Moscow, 1993) [in Russian].
4. G. N. Baturin, Phosphate Accumulation in the Ocean (Nauka, Moscow, 2004) [in Russian].
5. G. N. Baturin, “Geochemistry of Rare Earth Elements in the Phosphorites from the Namibian Shelf,” Geokhimiya, No. 11, 1062–1077 (2005).