Diamonds in the Products of Tolbachik Fissure Eruption 2012–2013, Kamchatka,
Silaev, I., G. A. Karpov, V. I. Rakin, L. P. Anikin, E. A. Vasiliev, V. N. Filippov, V. A. Petrovskiy (2015) (2015),
Herald of Perm University, 1, 26 p. 6–27