- Pekov I V, Agakhanov A A, Koshlyakova N N, Zubkova N V, Yapaskurt V O, Britvin S N, Vigasina M F, Turchkova A G, Nazarova M A (2023) Bakakinite, Ca2V2O7, a new mineral from fumarolic exhalations of the Tolbachik volcano, Kamchatka, Russia. Mineralogical Magazine 87, 695-701