Close Diamonds in lavas of the Tolbachik fissure eruption in Kamchatka,
Gordeev, E., G. Karpov, L. Anikin, S. V. Krivovichev, S. K. Filatov, A. V. Antonov, A. A. Ovsyannikov (2014) (2014),
Doklady Earth Sciences (Geochemistry), 454, 1 p. 47–49