1. G. N. Baturin, Phosphorites at the Oceanic Bottom (Nauka, Moscow, 1978) [in Russian].
2. G. N. Baturin, Phosphate Accumulation in the Ocean (Nauka, Moscow, 1978) [in Russian].
3. P. J. Muller and E. Suess, Deep-Sea Res. 26A, 1347 (1979).
4. G. N. Baturin and V. S. Savenko, Okeanologiya 37, 115 (1997) [Oceanology 37, 107 (1997)].
5. M. E. Vinogradov, in New Ideas in Oceanology (Nauka, Moscow, 2004), Vol. 1, pp. 237–263 [in Russian].