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Gordeev E.I., Girina O.A., Ushakov S.V., Senyukov S.L. (2006) Active volcanoes on Kamchatka, Russia // UNSPECIFIED. pp. 22.
Girina O.A., Ushakov S.V., Senyukov S.L. (2006) Kamchatkan Volcanic Eruption Response Team (Project KVERT) // UNSPECIFIED. pp. 150.