The fine structure of loricae in the species of the genus Aulacoseira Thwaites (Bacyllariophyta) from Ob' River (Russia) von M. V. Usoltseva, E. V. Likhoshvaj

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Zonal diatom scale of the continental neogene in Primorye (most Southern territory of the Russian Far East) von V. S. Pushkar, Ju. Likhacheva, M. V. Usoltseva

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To study of development of morphology of Aulacoseira islandica (O. Muller) Simonsen (Bacillariophyta) von M. V. Usoltseva, T. V. Nikulina, D. N. Jurev, E. V. Likhoshvaj

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