1. Tephrochronological dating in eastern Kamchatka;Braitseva;Volcanology and Seismology,1983
2. Krasheninnikov volcano: history of formation and activity;Ponomareva;Volcanology and Seismology,1987
3. Radiocarbon dating and palynological studies of soil-pyroclastic cover at the foot of Karymsky and Maly Semyachik volcanoes;Braitseva;Volcanology and Seismology,1989