1. A. V. Kochenov and V. V. Zinov’ev, Geokhimiya, No. 8, 714 (1960)
2. A. S. Stolyarov and A. V. Kochenov, Lithol. Miner. Resour., No. 2, 161 (1995) [Litol. Polezn. Iskop. 31, 142 (1995].
3. A. V. Kochenov and A.S. Stolyarov, Lithol. Miner. Resour. 31, 162 (1996) [Litol. Polezn. Iskop. 31, 182 (1996)].
4. A. A. Sharkov, Otechest. Geol., No. 1, 29 (2006).
5. A. M. Blokh and A. V. Kochenov, Trace Elements in Bone Phosphate of Fossil Fishes: Geology of Deposits of Minor Elements (Nedra, Moscow, 1960) [in Russian].