Gladenkov, Andrey Yurievich. “Fossil Diatom Flora from the Marine Paleogene Stratigraphic Key Section of Northeast Kamchatka, Russia”. Acta Botanica Croatica 68, no. 2 (October 21, 2009). Accessed April 28, 2024. https://www.abc.botanic.hr/index.php/abc/article/view/102.